中考英语动词时态进阶语法专项练习（100 题）（含答案）

中考英语动词时态进阶语法专项练习（100 题）
姓名： 班级：
动词时态语法重点：
一般现在时态的基本结构和用法
一般过去时态的基本结构和用法
一般将来时态的基本结构和用法
现在进行时的基本结构和用法
过去进行时的基本结构和用法
现在完成时的基本结构和用法
考点一、一般现在时
（一）单项选择
—I’ll go camping with you this weekend if your parents ______ it. —I think they will agree.
A. allow B. allows C. allowed D. will allow
The earth ______ around the sun. It’s a universal truth.
A. move B. moves C. moved D. will move
—How often ______ your brother ______ basketball after school —Twice a week.
A. do; play B. does; play C. did; play D. will; play
My mother usually ______ breakfast at 6:30 a.m., but today she ______ it a little later because she got up late.
A. makes; makes B. makes; is making C. made; makes D. will make; is making
—What do you usually do when you have free time —I ______ books. Reading is my favorite hobby.
A. read B. reads C. am reading D. will read
If it ______ tomorrow, we won’t go to the park. Let’s check the weather forecast later.
A. rain B. rains C. rained D. will rain
—______ your father ______ to work by subway every day —Yes, he thinks it’s fast and convenient.
A. Do; go B. Does; go C. Did; go D. Will; go
The library ______ at 8 a.m. and ______ at 5 p.m. every weekday. Don’t go there after 5 p.m.
A. open; close B. opens; closes C. opened; closed D. is opening; is closing
My sister ______ good at English. She often ______ English songs to practice.
A. is; sings B. is; sing C. was; sang D. will be; will sing
—Why ______ you ______ late for class sometimes —Sorry, I sometimes miss the early bus.
A. do; be B. does; be C. do; get D. does; get
（二）句型转换
Tom usually walks to school every morning.（改为否定句）
Tom ______ usually ______ to school every morning.
They have a picnic in the park once a month.（改为一般疑问句）
______ they ______ a picnic in the park once a month
He finishes his homework at 7 p.m. every day.（对划线部分提问，划线部分：at 7 p.m.）
______ ______ he ______ his homework every day
（三）语法填空
Water ______ (freeze) at 0℃. It’s a common physical phenomenon.
My grandfather ______ (drink) a cup of tea after dinner every day. He says it helps with digestion.
（四）句子改错
He often play football with his friends on weekends.（找出错误并改正）
______ → ______
Lucy don’t like eating vegetables. She prefers meat and snacks.（找出错误并改正）
______ → ______
考点二、一般过去时
（一）单项选择
—What did you do last Saturday —I ______ to the museum with my family. We saw many old artifacts.
A. go B. went C. will go D. am going
—Did you see Tom at the party last night —No, he ______ not there. He told me he was ill.
A. is B. was C. are D. were
She ______ her wallet on the bus yesterday. Luckily, a kind passenger found it and returned it.
A. lose B. loses C. lost D. will lose
—How ______ your trip to Guilin last summer —It was great! The mountains and rivers were beautiful.
A. is B. was C. are D. were
My father ______ a new car last month. He drives it to work every day now.
A. buy B. buys C. bought D. will buy
—What ______ you ______ for dinner last night —I had noodles. They were delicious.
A. do; have B. did; have C. will; have D. are; having
He ______ to the radio when he heard a loud noise outside.
A. listen B. listens C. listened D. was listening
They ______ in Beijing for three days last year. They visited the Forbidden City and the Great Wall.
A. stay B. stays C. stayed D. will stay
—Why didn’t you answer my call at 9 last night —I ______ a shower. I didn’t hear the phone ring.
A. take B. took C. was taking D. will take
The little girl ______ to draw when she was five years old. Now she draws very well.
A. start B. starts C. started D. will start
（二）句型转换
They went to the Great Wall with their teachers last month.（改为一般疑问句）
______ they ______ to the Great Wall with their teachers last month
He finished his homework at 8 p.m. yesterday.（对划线部分提问，划线部分：the Great Wall）
______ ______ they ______ with their teachers last month
She bought a new dress for her daughter yesterday.（改为否定句）
She ______ ______ a new dress for her daughter yesterday.
（三）语法填空
Yesterday, I ______ (meet) my old classmate in the supermarket. We talked about our school life for an hour.
The students ______ (visit) the science museum last Friday. They learned a lot about space.
（四）句子改错
I didn’t bought any fruits when I went shopping yesterday.（找出错误并改正）
______ → ______
He see a film with his sister last weekend. The film was about a brave boy.（找出错误并改正）
______ → ______
考点三、一般将来时
（一）单项选择
—Look at the dark clouds! It ______ rain soon. Let’s go home quickly.
A. will B. is going to C. was going to D. would
My family ______ to Hainan for a holiday next month. We have already booked the flight tickets.
A. travel B. travels C. traveled D. will travel
—______ you ______ to the concert with me this Saturday —I’d love to, but I have to prepare for my exam.
A. Do; go B. Did; go C. Will; go D. Are; going
We ______ leave for the train station in ten minutes. Please get your luggage ready.
A. will B. are going to C. are about to D. were about to
—What ______ the future ______ like —I think there will be more robots to help people with housework.
A. will; be B. is; going to be C. was; D. is;
The meeting ______ at 2 p.m. tomorrow. Please arrive on time.
A. start B. starts C. will start D. started
—I ______ my grandparents this weekend. I miss them very much. —That’s a good idea. They will be happy to see you.
A. visit B. visited C. will visit D. am visiting
If you study hard, you ______ pass the final exam. I believe in you.
A. will B. are going to C. were going to D. would
My brother ______ to college next year. He is now applying for his favorite universities.
A. go B. goes C. will go D. went
—______ there ______ a football match on TV tonight —Yes, it will start at 8 p.m.
A. Will; be B. Is; going to have C. Did; be D. Are; going to be
（二）句型转换（45-47 题）
We will have a class meeting in the classroom this Friday.（改为否定句）
We ______ ______ a class meeting in the classroom this Friday.
They are going to plant trees in the park next Sunday.（改为一般疑问句）
______ they ______ ______ plant trees in the park next Sunday
He will finish his project in two weeks.（对划线部分提问，划线部分：in two weeks）
______ ______ will he finish his project
（三）语法填空
—______ you ______ (join) the English club next term —Yes, I want to improve my spoken English.
The government ______ (build) a new hospital in our neighborhood next year. It will be convenient for us to see a doctor.
（四）句子改错
She is going to takes a piano lesson this Saturday morning.（找出错误并改正）
______ → ______
They will going to visit the History Museum tomorrow afternoon.（找出错误并改正）
______ → ______
考点四、现在进行时
（一）单项选择
—Listen! Someone ______ in the next room. Is that Mary —Yes, she likes singing very much.
A. sing B. sings C. is singing D. sang
—Where is Tom I need to talk to him. —He ______ basketball on the playground with his friends.
A. play B. plays C. is playing D. played
Don’t make noise! The students ______ an English exam in the classroom now.
A. have B. has C. are having D. had
—What ______ you ______ now —I ______ a letter to my pen pal.
A. do; do; write B. are; doing; am writing C. did; do; wrote D. will; do; will write
My mother ______ dinner in the kitchen now. Let’s help her set the table.
A. cook B. cooks C. is cooking D. cooked
—______ your father ______ TV now —No, he ______ a newspaper.
A. Do; watch; read B. Does; watch; reads C. Is; watching; is reading D. Was; watching; was reading
The sun ______ brightly now. Let’s go out for a walk.
A. shine B. shines C. is shining D. shone
—Why ______ you ______ so fast —Because I’m late for my appointment.
A. do; walk B. are; walking C. did; walk D. will; walk
Look! The children ______ kites in the park. They are having a good time.
A. fly B. flies C. are flying D. flew
I ______ this book these days. It’s very interesting and I will finish it soon.
A. read B. reads C. am reading D. read
（二）句型转换
The children are playing games on the playground.（改为否定句）
The children ______ ______ games on the playground.
He is listening to music in his room now.（改为一般疑问句）
______ he ______ to music in his room now
They are having a picnic near the lake.（对划线部分提问，划线部分：near the lake）
______ ______ they ______ a picnic
（三）语法填空
Be quiet! The baby ______ (sleep) in the bedroom. Don’t wake him up.
—What ______ your sister ______ (do) now —She ______ (draw) a picture. She wants to give it to her friend.
（四）句子改错
My brother is listen to music while he is doing his homework.（找出错误并改正）
______ → ______
Look! The birds are fly in the sky. They look very free.（找出错误并改正）
______ → ______
考点五、过去进行时
（一）单项选择
—What ______ you ______ at 8 o’clock last night —I ______ my homework.
A. do; do; do B. are; doing; am doing C. were; doing; was doing D. did; do; did
While Tom ______ TV, his mother ______ dinner in the kitchen last night.
A. watches; cooks B. watched; cooked C. was watching; was cooking D. is watching; is cooking
—Did you see John at 9 a.m. yesterday —No, he ______ to the library. He told me he needed to borrow some books.
A. go B. goes C. went D. was going
I ______ a walk in the park when it suddenly started to rain.
A. take B. takes C. was taking D. took
—Why didn’t you answer my call at 7 p.m. yesterday —I ______ a shower. I didn’t hear the phone ring.
A. take B. took C. was taking D. will take
While they ______ a picnic, a strong wind came and blew away their food.
A. have B. had C. are having D. were having
—What ______ your sister ______ when you got home yesterday —She ______ her room.
A. does; do; cleans B. did; do; cleaned C. was; doing; was cleaning D. will; do; will clean
He ______ English when his friend came to visit him.
A. study B. studies C. was studying D. studied
At this time yesterday, I ______ for the bus at the bus stop. It was very cold.
A. wait B. waits C. was waiting D. waited
While she ______ a letter, the doorbell rang.
A. write B. writes C. was writing D. wrote
（二）句型转换
He was reading a newspaper at 8 o’clock last night.（改为否定句）
He ______ ______ a newspaper at 8 o’clock last night.
They were playing football on the playground at 4 p.m. yesterday.（改为一般疑问句）
______ they ______ football on the playground at 4 p.m. yesterday
She was cooking dinner in the kitchen when her husband came back.（对划线部分提问，划线部分：cooking dinner）
______ ______ she ______ in the kitchen when her husband came back
（三）语法填空
At 9 p.m. last night, I ______ (watch) a movie with my family. The movie was very exciting.
While my father ______ (read) a book, my mother ______ (knit) a sweater yesterday evening.
（四）句子改错
When I was walking in the park, I see a little dog running after a cat.（找出错误并改正）
______ → ______
He were listening to music when his teacher called his name.（找出错误并改正）
______ → ______
考点六、现在完成时
（一）单项选择
—How long ______ you ______ in this school —I ______ here for three years.
A. have; studied; have studied B. do; study; study C. did; study; studied D. will; study; will study
—______ you ______ the film The Wandering Earth II —Yes, I ______ it last month. It’s really wonderful.
A. Have; seen; saw B. Did; see; have seen C. Have; seen; have seen D. Did; see; saw
My grandparents ______ in the countryside for over 50 years. They don’t want to move to the city.
A. live B. lives C. have lived D. lived
—Where is your father I haven’t seen him for days. —He ______ to Beijing on business. He will be back next week.
A. has been B. has gone C. went D. will go
—How long ______ your brother ______ the new bike —For two weeks. He bought it on his birthday.
A. has; bought B. has; had C. did; buy D. will; buy
I ______ this book twice. It’s very interesting and I want to read it again.
A. read B. reads C. have read D. will read
—______ you ______ to Shanghai before —Yes, I ______ there last year.
A. Have; been; went B. Did; go; have been C. Have; gone; went D. Did; go; went
She ______ in this company since she graduated from college. She works very hard.
A. work B. works C. has worked D. worked
—Why are you so late —I’m sorry. I ______ for my keys for half an hour.
A. look B. looks C. have looked D. looked
They ______ already ______ all the homework. Now they can go out to play.
A. have; finished B. do; finish C. did; finish D. will; finish
（二）句型转换
She has lived in this city since 2010.（改为否定句）
She ______ ______ in this city since 2010.
He has learned English for five years.（改为一般疑问句）
______ he ______ English for five years
They have visited the Great Wall twice.（对划线部分提问，划线部分：twice）
______ ______ ______ have they visited the Great Wall
（三）语法填空
My father ______ (work) in this factory for 20 years. He is a skilled worker now.
（四）句子改错
He has joined the army for five years. He is now a good soldier.（找出错误并改正）
______ → ______
中考英语动词时态进阶语法专项练习（100 题）答案解析
答案：A
考点：一般现在时（主将从现）
解析：if 引导条件状语从句，主句用一般将来时（will go），从句用一般现在时；主语 your parents 是复数，谓语动词用原形 allow。
答案：B
考点：一般现在时（客观真理）
解析：“地球绕太阳转” 是客观真理，用一般现在时；主语 the earth 是第三人称单数，动词 move 变第三人称单数形式 moves。
答案：B
考点：一般现在时（频度副词）
解析：how often 提问频率，用一般现在时；主语 your brother 是第三人称单数，助动词用 does，谓语动词用原形 play。
答案：B
考点：一般现在时（习惯性动作）与现在进行时
解析：第一空 “usually” 表习惯性动作，用一般现在时，主语 my mother 是第三人称单数，填 makes；第二空 “today” 强调此刻正在做的动作，用现在进行时 is making。
答案：A
考点：一般现在时（习惯性动作）
解析：“usually” 表习惯性动作，用一般现在时；主语 I 是第一人称，谓语动词用原形 read。
答案：B
考点：一般现在时（主将从现）
解析：if 引导条件状语从句，主句用一般将来时（won’t go），从句用一般现在时；主语 it 是第三人称单数，动词 rain 变 rains。
答案：B
考点：一般现在时（一般疑问句）
解析：“every day” 表习惯性动作，用一般现在时；主语 your father 是第三人称单数，助动词用 does，谓语动词用原形 go。
答案：B
考点：一般现在时（客观事实 / 规律）
解析：图书馆的开放和关闭时间是固定规律，用一般现在时；主语 the library 是第三人称单数，动词 open 和 close 变第三人称单数形式 opens、closes。
答案：A
考点：一般现在时（状态与习惯性动作）
解析：“be good at” 表状态，用一般现在时，主语 my sister 是第三人称单数，填 is；“often” 表习惯性动作，用一般现在时，填 sings。
答案：C
考点：一般现在时（否定句）
解析：“sometimes” 表习惯性动作，用一般现在时；主语 you 是第二人称，助动词用 do，否定句用 don’t，谓语动词用原形 get（be late 是 “迟到”，但选项中无 be，get late 也表 “迟到”）。
答案：doesn’t; walk
解析：一般现在时否定句，主语 Tom 是第三人称单数，助动词用 doesn’t，谓语动词 walk 用原形。
答案：Do; have
解析：一般现在时一般疑问句，主语 they 是复数，助动词用 do，谓语动词 have 用原形。
答案：When; does; finish
解析：对时间提问用 when，一般现在时，主语 he 是第三人称单数，助动词用 does，谓语动词 finish 用原形。
答案：freezes
解析：“水在 0℃结冰” 是客观真理，用一般现在时；主语 water 是不可数名词，动词 freeze 变第三人称单数形式 freezes。
答案：drinks
解析：“every day” 表习惯性动作，用一般现在时；主语 my grandfather 是第三人称单数，动词 drink 变 drinks。
答案：play → plays
解析：一般现在时，主语 he 是第三人称单数，谓语动词 play 变第三人称单数形式 plays。
答案：don’t → doesn’t
解析：一般现在时否定句，主语 Lucy 是第三人称单数，助动词用 doesn’t，不用 don’t。
答案：B
考点：一般过去时（过去时间）
解析：“last Saturday” 表过去时间，用一般过去时，动词 go 的过去式是 went。
答案：B
考点：一般过去时（过去状态）
解析：“last night” 表过去时间，用一般过去时；主语 he 是第三人称单数，be 动词用 was。
答案：C
考点：一般过去时（过去动作）
解析：“yesterday” 表过去时间，用一般过去时，动词 lose 的过去式是 lost。
答案：B
考点：一般过去时（过去状态）
解析：“last summer” 表过去时间，用一般过去时；主语 your trip 是单数，be 动词用 was。
答案：C
考点：一般过去时（过去动作）
解析：“last month” 表过去时间，用一般过去时，动词 buy 的过去式是 bought。
答案：B
考点：一般过去时（一般疑问句）
解析：“last night” 表过去时间，用一般过去时；助动词用 did，谓语动词 have 用原形。
答案：C
考点：一般过去时（并列动作）
解析：“heard” 是过去式，and 连接并列动作，listen 也用过去式 listened。
答案：C
考点：一般过去时（过去时间段）
解析：“last year” 表过去时间，用一般过去时，动词 stay 的过去式是 stayed。
答案：B
考点：一般过去时（过去动作）
解析：“at 9 last night” 表过去时间点，此处强调 “洗澡” 这个过去动作（而非正在进行），用一般过去时，take 的过去式是 took。
答案：C
考点：一般过去时（过去时间状语从句）
解析：“when she was five years old” 表过去时间，主句用一般过去时，start 的过去式是 started。
答案：Did; go
解析：一般过去时一般疑问句，助动词用 did，谓语动词 go 用原形。
答案：Where; did; go
解析：对地点提问用 where，一般过去时，助动词用 did，谓语动词 go 用原形。
答案：didn’t; buy
解析：一般过去时否定句，助动词用 didn’t，谓语动词 buy 用原形。
答案：met
解析：“Yesterday” 表过去时间，用一般过去时，meet 的过去式是 met。
答案：visited
解析：“last Friday” 表过去时间，用一般过去时，visit 的过去式是 visited。
答案：bought → buy
解析：一般过去时否定句，助动词 didn’t 后接动词原形，bought 是过去式，应改为 buy。
答案：see → saw
解析：“last weekend” 表过去时间，用一般过去时，see 的过去式是 saw。
答案：B
考点：一般将来时（be going to 表迹象）
解析：“dark clouds” 是 “要下雨” 的迹象，用 be going to；主语 it 是单数，be 动词用 is。
答案：D
考点：一般将来时（will 表计划）
解析：“next month” 表将来时间，用一般将来时 will travel。
答案：C
考点：一般将来时（will 表邀请）
解析：“this Saturday” 表将来时间，用 will 表邀请，一般疑问句用 Will you go。
答案：C
考点：一般将来时（be about to 表即将）
解析：“in ten minutes” 表 “即将”，用 be about to；主语 we 是复数，be 动词用 are。
答案：A
考点：一般将来时（will be like）
解析：“the future” 表将来，用 will be like；What will the future be like 是固定句型 “未来会是什么样子？”。
答案：C
考点：一般将来时（will 表计划）
解析：“tomorrow” 表将来时间，用 will start 表 “将要开始”。
答案：C
考点：一般将来时（will 表意图）
解析：“this weekend” 表将来时间，用 will visit 表 “打算拜访”。
答案：A
考点：一般将来时（主将从现）
解析：if 引导条件状语从句，主句用一般将来时 will pass 表 “将会通过”。
答案：C
考点：一般将来时（will 表计划）
解析：“next year” 表将来时间，用 will go 表 “将要上大学”。
答案：A
考点：一般将来时（there be 句型）
解析：“tonight” 表将来时间，there be 句型的一般将来时是 There will be；一般疑问句将 will 提前，即 Will there be。
答案：won’t; have
解析：一般将来时否定句，will 后加 not，缩写为 won’t，谓语动词 have 用原形。
答案：Are; going; to
解析：be going to 句型的一般疑问句，将 be 动词 are 提前，后接 going to。
答案：How; soon
解析：对 “in + 时间段” 提问用 how soon，表 “多久以后”。
答案：Will; join / Are; going to join
解析：“next term” 表将来时间，可用 will join 或 are going to join 表 “将要加入”。
答案：will build /is going to build
解析：“next year” 表将来时间，可用 will build 或 is going to build 表 “将要建造”。
答案：takes → take
解析：be going to 后接动词原形，takes 是第三人称单数形式，应改为 take。
答案：will going → are going /will go
解析：一般将来时结构是 will + 动词原形或 be going to + 动词原形，will 和 going 不能连用，应改为 are going 或 will go。
答案：C
考点：现在进行时（listen 提示）
解析：“Listen!” 提示动作正在进行，用现在进行时；主语 someone 是单数，be 动词用 is，sing 变 singing。
答案：C
考点：现在进行时（当前动作）
解析：问句询问 “Tom 现在在哪里”，答句表 “正在打篮球”，用现在进行时；主语 he 是单数，be 动词用 is，play 变 playing。
答案：C
考点：现在进行时（don’t make noise 提示）
解析：“Don’t make noise!” 提示动作正在进行，用现在进行时；主语 the students 是复数，be 动词用 are，have 变 having。
答案：B
考点：现在进行时（now 提示）
解析：“now” 提示动作正在进行，用现在进行时；第一空主语 you，be 动词用 are，do 变 doing；第二空主语 I，be 动词用 am，write 变 writing。
答案：C
考点：现在进行时（now 提示）
解析：“now” 提示动作正在进行，用现在进行时；主语 my mother 是单数，be 动词用 is，cook 变 cooking。
答案：C
考点：现在进行时（now 提示）
解析：“now” 提示动作正在进行，用现在进行时；第一空主语 your father，be 动词用 is，watch 变 watching；第二空主语 he，be 动词用 is，read 变 reading。
答案：C
考点：现在进行时（now 提示）
解析：“now” 提示动作正在进行，用现在进行时；主语 the sun 是单数，be 动词用 is，shine 变 shining。
答案：B
考点：现在进行时（当前动作）
解析：问句询问 “现在为什么走这么快”，用现在进行时；主语 you，be 动词用 are，walk 变 walking。
答案：C
考点：现在进行时（look 提示）
解析：“Look!” 提示动作正在进行，用现在进行时；主语 the children 是复数，be 动词用 are，fly 变 flying。
答案：C
考点：现在进行时（these days 提示）
解析：“these days” 表 “现阶段正在做”，用现在进行时；主语 I，be 动词用 am，read 变 reading。
答案：aren’t; playing
解析：现在进行时否定句，在 be 动词 are 后加 not，缩写为 aren’t，playing 不变。
答案：Is; listening
解析：现在进行时一般疑问句，将 be 动词 is 提前，listening 不变。
答案：Where; are; having
解析：对地点提问用 where，现在进行时，be 动词 are 提前，having 不变。
答案：is sleeping
解析：“Be quiet!” 提示动作正在进行，用现在进行时；主语 the baby 是单数，be 动词用 is，sleep 变 sleeping。
答案：is; doing; is drawing
解析：“now” 提示动作正在进行，用现在进行时；第一空主语 your sister，be 动词用 is，do 变 doing；第二空主语 she，be 动词用 is，draw 变 drawing。
答案：listen → listening
解析：现在进行时结构是 be + 动词 ing，listen 是原形，应改为 listening。
答案：fly → flying
解析：现在进行时结构是 be + 动词 ing，fly 是原形，应改为 flying。
答案：C
考点：过去进行时（at 8 o’clock last night 提示）
解析：“at 8 o’clock last night” 表过去具体时间点，用过去进行时；第一空主语 you，be 动词用 were，do 变 doing；第二空主语 I，be 动词用 was，do 变 doing。
答案：C
考点：过去进行时（while 提示并列动作）
解析：while 引导时间状语从句，表 “两个过去动作同时进行”，用过去进行时；主语 Tom 和 his mother 都是单数，be 动词分别用 was，watch 和 cook 变 watching、cooking。
答案：D
考点：过去进行时（过去时间点动作）
解析：“at 9 a.m. yesterday” 表过去具体时间点，用过去进行时表 “正在去图书馆”；主语 he，be 动词用 was，go 变 going。
答案：C
考点：过去进行时（when 提示突发动作）
解析：when 引导时间状语从句，表 “过去正在做某事时，突发另一件事”；主句用过去进行时，主语 I，be 动词用 was，take 变 taking。
答案：C
考点：过去进行时（at 7 p.m. yesterday 提示）
解析：“at 7 p.m. yesterday” 表过去具体时间点，用过去进行时表 “正在洗澡”；主语 I，be 动词用 was，take 变 taking。
答案：D
考点：过去进行时（while 提示）
解析：while 引导时间状语从句，表 “过去正在野餐时，突发大风”；主句用过去进行时，主语 they，be 动词用 were，have 变 having。
答案：C
考点：过去进行时（when 提示）
解析：when 引导时间状语从句，表 “过去回家时，姐姐正在做某事”；主句用过去进行时，主语 your sister 和 she，be 动词用 was，do 和 clean 变 doing、cleaning。
答案：C
考点：过去进行时（when 提示）
解析：when 引导时间状语从句，表 “过去朋友来访时，他正在学英语”；主句用过去进行时，主语 he，be 动词用 was，study 变 studying。
答案：C
考点：过去进行时（at this time yesterday 提示）
解析：“at this time yesterday” 表 “过去这个时候”，用过去进行时；主语 I，be 动词用 was，wait 变 waiting。
答案：C
考点：过去进行时（while 提示）
解析：while 引导时间状语从句，表 “过去正在写信时，门铃响了”；主句用过去进行时，主语 she，be 动词用 was，write 变 writing。
答案：wasn’t; reading
解析：过去进行时否定句，在 be 动词 was 后加 not，缩写为 wasn’t，reading 不变。
答案：Were; playing
解析：过去进行时一般疑问句，将 be 动词 were 提前，playing 不变。
答案：What; was; doing
解析：对动作提问用 what，过去进行时，be 动词 was 提前，doing 不变。
答案：was watching
解析：“At 9 p.m. last night” 表过去具体时间点，用过去进行时；主语 I，be 动词用 was，watch 变 watching。
答案：was reading; was knitting
解析：“yesterday evening” 表过去时间，while 引导并列动作，都用过去进行时；主语 my father 和 my mother 都是单数，be 动词用 was，read 和 knit 变 reading、knitting。
答案：see → saw
解析：when 引导的从句用过去进行时（was walking），主句动作 “看见” 发生在过去，用一般过去时，see 的过去式是 saw。
答案：were → was
解析：过去进行时，主语 he 是单数，be 动词用 was，不用 were。
答案：A
考点：现在完成时（how long 提示）
解析：“how long” 和 “for three years” 表 “从过去持续到现在的动作”，用现在完成时；主语 you 和 I，助动词用 have，study 变 studied。
答案：A
考点：现在完成时（经验）与一般过去时（过去时间）
解析：第一空 “是否看过电影” 表经验，用现在完成时 Have seen；第二空 “last month” 表过去时间，用一般过去时 saw。
答案：C
考点：现在完成时（for over 50 years 提示）
解析：“for over 50 years” 表 “从过去持续到现在的动作”，用现在完成时；主语 my grandparents 是复数，助动词用 have，live 变 lived。
答案：B
考点：现在完成时（have gone to 表 “去了未回”）
解析：“He will be back next week” 表 “去了北京还没回来”，用 have gone to；主语 he，助动词用 has。
答案：B
考点：现在完成时（瞬间动词变延续动词）
解析：“for two weeks” 表时间段，瞬间动词 buy 不能与时间段连用，需改为延续动词 have；现在完成时，主语 your brother，助动词用 has，have 变 had。
答案：C
考点：现在完成时（twice 提示）
解析：“twice” 表 “过去动作（读书）对现在的影响（知道内容）”，用现在完成时；主语 I，助动词用 have，read 变 read（过去分词与原形同形）。
答案：A
考点：现在完成时（have been to 表 “去过已回”）与一般过去时
解析：第一空 “before” 表 “是否去过上海（已回）”，用 have been to；第二空 “last year” 表过去时间，用一般过去时 went。
答案：C
考点：现在完成时（since 提示）
解析：“since she graduated from college” 表 “从过去某时持续到现在的动作”，用现在完成时；主语 she，助动词用 has，work 变 worked。
答案：C
考点：现在完成时（for half an hour 提示）
解析：“for half an hour” 表 “从过去持续到现在的动作（找钥匙）”，用现在完成时；主语 I，助动词用 have，look 变 looked。
答案：A
考点：现在完成时（already 提示）
解析：“already” 表 “过去动作（完成作业）对现在的影响（可以出去玩）”，用现在完成时；主语 they，助动词用 have，finish 变 finished。
答案：hasn’t; lived
解析：现在完成时否定句，在助动词 has 后加 not，缩写为 hasn’t，lived 不变。
答案：Has; learned
解析：现在完成时一般疑问句，将助动词 has 提前，learn 变 learned。
答案：How; many; times
解析：对次数提问用 how many times，现在完成时，助动词 have 提前。
答案：has worked
解析：“for 20 years” 表 “从过去持续到现在的动作”，用现在完成时；主语 my father 是单数，助动词用 has，work 变 worked。
答案：joined → been in
解析：“for five years” 表时间段，瞬间动词 join 不能与时间段连用，需改为延续动词 be in；现在完成时，be 变 been。