外研版七年级上册现在进行时讲解及练习（含答案）

现在进行时
定义和基本用法：
　a. 表示现在( 指说话人说话时) 正在发生的事情。
　　 We are waiting for you.
　b. 习惯进行：表示长期的或重复性的动作，说话时动作未必正在进行。
　　 Mr. Green is writing another novel.　
　　　(说话时并未在写，只处于写作的状态。)
　　 She is learning piano under Mr. Smith.
　c. 表示渐变的动词有：get, grow, become, turn, run, go, begin等。
　　 The leaves are turning red.
　　 It's getting warmer and warmer.
　d. 与always, constantly, forever 等词连用，表示反复发生的动作或持续存在的状态，往往带有说话人的主观色彩。
　　 You are always changing your mind.
注意：常用时间标志词有now(现在)、at the moment(此时此刻)、right now(此刻)、look(看)、listen(听)等。
2.句式结构
肯定句 I am having dinner.
He/She/It is having dinner.
We/You/They are having dinner.
否定句 I am not having dinner.
He/She/It is not having dinner.
We/You/They are not having dinner.
一般疑问句 Is he/she having dinner
Are you/they having dinner
肯定回答 Yes,he/she is.
Yes,I am.
Yes,we/they are.
否定回答 No,he/she is not.
No,I am not.
No,we/they are not.
特殊疑问句 What is he/she doing
What are we/you/they doing
注意：肯定句在be后面加上v-ing;变为否定句时，一般在be后加上not,再加上v-ing.
3.动词 ing的变化规则
构成规则 例子
在一般情况下，直接在动词后面加 ing work—working, buy—___________, visit—___________
以不发音的字母e结尾的动词, 去掉e, 再加 ing dance—dancing, have—___________, write—___________
以重读闭音节结尾且末尾只有一个辅音字母的动词, 双写该辅音字母, 再加 ing stop—stopping, sit—___________, get—___________
以ie结尾的动词, 变ie为y, 再加 ing die—dying, lie—___________
语法巩固练习
1.根据提示完成句子。
(1)Listen! Betty and her sister ____________(sing) an English song.
(2)Linda's brother _______________ TV(watch) in his bedroom now.
(3)Look! Some boys ______________football (play) on the playground.
(4)They are __________(visit) the Forbidden City.
(5)Daming is _______(take) photos. There are a lot of people.
(6)My father is _________(lie) in bed and __________(have) a break.
(7)The kid is ___________(sit) on the sofa and ___________ (play) with the toy.
(8)It's 4：00 in the afternoon. People are ___________ (wait) for the bus.
(9)1. What are you______ (do),Helen I’m ______(sit) on the football.
(10) The boy _______ (make) a model plane now.
(11)Look. She ________ (put) an egg on her mouth.
(12)Listen. What ____ they _____ (do) They ________ (play) the piano.
(13) It is three o’clock in the afternoon.. All the children ___________(have) an Art lesson.
(14) Don’t play the violin. Your father __________(sleep) in the bedroom.
(15)Look at the woman. She __________(swim) over there.
(16)Listen to the birds. They __________(sing) in the trees.
(17) Now let’s __________(fly) kites in the playground.
(18) Shall we ________(do) our homework first now
(19) Look. I can ________(ride) the bike now.
2.根据要求完成句子。
(1)They are playing computer games. (改为否定句)
________________________________________________
(2)Alice isn't waiting in front of the cinema. (改为肯定句)
________________________________________________
(3)I am doing homework now. (改为否定句)
(4)They are doing homework in the classroom now.(改为一般疑问句)
________ ________ ________ homework in the classroom now
(5) Are you having dinner in a shop at the moment (做肯定回答)
______________________________________________________
(6)Amy is flying kite in the park. (对画线部分提问)
________ ________ Amy ________ in the park
3.选择正确的选项。
(　　)(1) Tom is not here now. He ________ sports in the PE club.
A. is doing B. does C. did D. was doing
(　　)(2)People in the office ________ afternoon tea at this moment.
A. have B. is having C. are having D. Had
(　　)(3)_________ Lingling's grandma cooking the meal
A. Is B. Are C. Do D. Does
(　　)(4)—_______ is your aunt doing
—She is shopping with my cousin.
Where B. Who C. When D. What
4.语法选择.
I'm Liam. Today is Saturday. My parents always take __1__ to go shopping on Saturdays. So we are going to the Yangguang Mall(商场). We would like __2__ something we need.
The supermarket is very __3__. There are about 1, 200 shops, 22 cinemas and 12 restaurants. Many people visit the mall every year because there are lots of cool __4__ to do here.
Listen! Many children __5__ songs. There is a singing match. It's interesting. At the top of the mall, there is __6__ place for people to ice skate(滑冰). Many people like to wear sweaters and spend an hour __7__ skating. Where are my parents Look! They are sitting on the chairs and talking with their friends __8__.
My parents and I begin to live in the city this year. We often go shopping __9__ have a good time in the mall at weekends. Sometimes, there is a beautiful light show in the mall. We always take some photos and share them __10__ our friends on the Internet. We enjoy the new life there.
(　　)(1) A. I B. me C. my
(　　)(2) A. buy B. buying C. to buy
(　　)(3) A. big B. bigger C. the biggest
(　　)(4) A. thing B. things C. thing's
(　　)(5) A. sing B. is singing C. are singing
(　　)(6) A. a B. an C. the
(　　)(7) A. go B. going C. goes
(　　)(8) A. happy B. happiness C. happily
(　　)(9) A. and B. because C. when
(　　)(10) A. for B. on C. with
5.用doing的适当形式填空
In Beijing it’s one o’ clock. People_____having dinner. They are _________.
In New York it’s _______ (12:00). People aren’t working. They are having lunch. They are eating ___________ or hot dogs and drinking ________ or _____. They’re seeing _________, calling home or _______.
In London it’s _____ o’ clock and people are _______ work and are going home. They’re _______ for buses and _______ for trains. Some people are _______ their cars. Some are having _______ tea at home or walking to _______ and having a drink.
In Moscow it’s eight o’ clock and people _______ _______ afternoon tea. They are having dinner at home or in _______. Some are going to the _______or watching a _______. Some are watching _______ or playing games at home.
答案：
(1)are singing (2)is watching (3)are playing(4)visiting(5)taking(6)lying(7)sitting(8)waiting
(9)doing;sitting (10)is making (11).is putting (12)are;doing (13)are;having
(14)is sleeping (15)is swimming (16)are singing (17)fly (18)do (19)ride
(1)They are not playing computer games.
Alice is waiting in front of the cinema.
I am not doing homework now.
Are they doing
Yes,i am.
What is;doing
3.(1)A (2)C (3)A (4)D
4.(1)B(2)C(3)A(4)B(5)C (6)A(7)B(8)C(9)A(10)C
5.Para1 aren’t; sleeping
Para2 midday; hamburgers; coffee; Coke; friends; shopping
Para3 five; leaving; waiting; running; driving; afternoon; pubs
Para4 aren’t; having; restaurants; opera; ballet; television