课件27张PPT。五、现在完成时态：（The present perfect tense） 1、定义：a）现在完成时表示过去发生或已经完成的某一动作对现在造成的影响或结果。 b）现在完成时表示过去已经开始，持续到现在或将来的动作或状态。 I / We / You / They / 名词复数 have seen .……
He / She /It / 名词单数 has seen .…… 2、谓语动词的构成形式: 助动词 have / has + 动词的过去分词（ 以 see 为例 ） 1、肯定句：He has seen this film before.
They have ever seen this film.2、否定句：He has not seen this film before. They have not seen this film.3、一般疑问句：Has he seen this film yet?
Yes, he has. / No, he hasn，’t.Statement forms:1、肯定句：We have learnt English for about three years.2、否定句：We haven’t learnt English for about three years.3、一般疑问句：Have you learnt English for about three years ?
Yes, we have. / No, we haven’t.Statement forms:动词过去分词的构成规则：一、规则变化：1、直接加ed； start——started look——looked2、结尾是e的词加d； live——lived use——used3、以辅音字母加y结尾的词，先变y为i再加ed；
study——studied worry——worried4、只有一个辅音字母结尾的重读，闭音节词，先双写这个字母，再加ed；stop——stopped plan—planned二、不规则变化：需背表中的动词变化规则。练习：
I_______________(see) the film before.
2. We__________________(learn) English for three years.
3. He__________just_____________(go) out.
4. She_________________(be) to the Great Wall once.
5. They__________________(see) each other since 1972.
have seenhave learnt / have learnedhas gonehas beenhaven’t seen
6. Where is your brother?
He___________(go) to the library. He_______ (leave )Just now .
7. My aunt____________(teach) in the school since she left school.
8.Mr.Smith____________(leave)hiscountry. He__________( leave ) there when he was five .
9. He___________ already ___________(read) the newspaper.
10.I_____________(know) Mr. Li since I___________(come) to study in this school.
?
has gonelefthas taughthas leftlefthas readhave knowncame I / We / You / They / He / She / It / 名词单数 /名词复数 had reached .…… 八、过去完成时态：（The past perfect tense） 1、定义：过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作。（它表示动作发生的时间是“过去的过去”。）2、谓语动词的构成形式: 由助动词 had + 动词的过去分词构成 以 reach 为例1、肯定句：We had reached the airport before ten o’clock.2、否定句：We hadn’t reached the airport before ten o’clock.3、一般疑问句：Had you reached the airport before the ten o’clock?
Yes, we had. / No, we hadn’t.Statement forms:3. 常用的几种方式:
用介词by, before 等构成的时间短语.
用连词when, before, after或者短语by the time
引导的时间状语从句.We had learnt 20 English songs by the end
of last month.
The plane had taken off when I reached the
airport.
By the time I got up , my brother had left home.
By the time I got outside, the bus had already left.我出去的时候,公共汽车已经开走了. 6:00 7:00 现在 By the time I got up, my sister had already washed all the clothes. The differences between Present Perfect tense and Past Perfect tense.现在完成时: 主语 + have / has done
过去完成时: 主语 + had done本课出现的主要动词的过去式和过去分词ring rang rung
get got gotten
go went gone
leave left left
start started started
be was/were been
take took taken
run ran run
wake woke wokensleep--slept—slept
oversleep--overslept—overslept
throw--threw—thrown
rise--rose—risen
break--broke--broken
练习：
1. He told us the meeting____________________(begin) already.
2. When my mother came back, I___________ already ________________(finish) my homework.
3. Before he went to school, he_______________(have) lunch.
4. By the end of last term, we___________________(study) English for five years.had begunhadfinishedhad hadhad studied5. The rain_______________(stop) when I got to school.
6. We________________(not see) each other since we left school five years ago.
I met a good friend of mine yesterday. We________________(not see) each other for five years since we left school.
7. After we came here, she_______ (clean) the classroom.
Before we came here, she________________(clean) the classroom.
8.By the end of last term, we_________________________(learn) seven English songs.
had stoppedhadn’t seenhad cleanedhad learnt / had learnedhaven’t seencleaned动词的时态与语态易考点
（1）：现在完成时态 （2）：延续性和非延续性动词的区别 （3）：主动语态和被动语态 What __ in/during the last ten years?
a. happened b. has happened
c. had happened d. happens√考点：现在完成时句中常搭配的词汇：
already, just, yet, never, ever, before, so far, since 5 years ago, for 5 days, during/in the past/last years过去完成时态常搭配的词汇：
by/when/before+过去时，had+动词过去分词√When we got there, the meeting __ for half an hour.
a. began b. had begun
c. was on d. had been on John __ for a month.
a. has left b. will leave c. is away d. will be away√考点：延续性和非延续性动词的区别
常见的转换有come(go), become, join the League, leave,
Borrow, die, begin, buy, close
相应的延续性动词：come(go)- be (in) ,become-be,
Join the League- be a League member/be in the League，leave-be away (from), borrow-keep, die- be dead, begin-be on, buy-have, close- be closed√___ the train ___?
Yes. It ___ here just now.
Did arrive, arrived b. Will arrive, arrived
c. Has arrived, arrived d. Does arrive, arrivedThe train had been away for an hour when he __.
a. got b. reached c. arrived d. walked
– You must come back every month. - Yes, I __.
a. will b. must c. should d. can
My brother __ London since he left school.
a. has been to b. has gone to
c. has been in d. went to
When we reached the cinema, the film __ for an hour. a. Had begun b. has begun
c. had been on d. has been on√√√√More than a week ___ already.
a. have passed b. have passed
c. has passed d. has past
The right way to cross the road is __ quickly.
a. walk b. to walk
c. walked d. have walked
Mr.Brown has stopped smoking since he _ on.
a. will operate b.will be operated
c. operated d.was operated
√√√– Do you know if your mother __ shopping tomorrow?
- I’m not sure. But if she doesn’t, I __ either.
a. goes, won’t b. will go, won’t
c. goes, don’t d. will go, don’t考点：区别两个if, when引导的从句在时态上的用法
If it ________ (not rain) tomorrow, I won’t go out.
I don’t know if he ________ (come) tomorrow.
I’ll go to see her when she ________ (get) to Nanjing.
Do you know when she ___________ (get) to NJ?I don’t know when Meimei __. Please tell me as soon as she __.
a. will arrive, will arrive b. arrives, will arrive
c. will arrive, arrives d. arrives, arrives
√doesn’t rain
will comegetswill get√Please don’t stand in class until you __.
a. were told to b. are told to
c. are told d. were told√√考点：如何改主动语态为被动语态，
Make/see/hear/watch sb do sth
be made/seen/heard/watched to do. sthA talk on Chinese history __ in the school next week.
a. is given b. has been given
c. will be given d. will giveShe was seen ___ the supermarket just know.
a. to enter into b. to enter
c. entering into d. entering√The more you think about it, the more questions you will think of __.
a. ask b. asked c. asking d. to ask√考点：to do 表示目的The doctor did what he could __ that child.
a. save b. to save c. saved d. saving√I have no pen ____.
a. writing b. writing with
c. to write with d. writing√ to do 作定语， 如是不及物动词构成不定式短语作定语，其后需接介词 I don’t know if she __ me when she __.
a. tells, arrives b. tells, will arrive
c. will tell, will arrive d. will tell, arrives
He asked his father __.
a. where it happens b. where did it happen
c. how it happened d. how did it happen
Do you know __ with the broken bike?
a. how Jim has done b. what Jim has done
c. How has Jim done d. what has Jim done√√√课件10张PPT。
Review of the Simple Present Tense
一般过去时态复习
知识结构一般过去时构成用法常用时间动词的过去式1、表示过去某个时
间发生的动作或
存在的状态。
2、表示过去经常或
反复发生的动作。yesterday
last night
in 1990
two days ago动词过去式
的构成规则动词不规则动词构成读音规则动词过去式的构成构成规则例词1、一般在动词原形末尾加– ed look looked
play played
start started
2、结尾是 e 的动词加 -- d live lived
hope hoped
use used3、末尾只有一个辅音字母的
重读闭音节词，先双写这
个辅音字母，再加—ed stop stopped
plan planned
trip tripped4、结尾是“辅音字母+y”的动词，
先变“y”为“i”再加—ed study studied
carry carried清念 /t/ ,元浊/d/ ;
/t/ /d/ 之后念/id/规则动词词-ed的读音说明：
1、清念 /t/ ，即 ed 在清辅音后面念 /t/ ,例：finished helped
passed cooked
2、元浊 /d/ ,即 ed 在元音，浊辅音后面念 /d/ ,
例：borrowed enjoyed
called moved
3、/t/ /d/ 之后念 /id/ , 即 ed 在 /t/ /d/ 音后面念 /id/
例：wanted shouted
needed counted
不规则动词表Infinitive Past tense
am is was
are were
begin begun
break broke
bring brought
build built
buy bought
can couldInfinitive Past tense
catch caught
come came
do did
draw drew
drink drank
drive drove
eat ate
fall fell用 法1、表示过去某个时间发生的动作或存在的状态。
He was here yesterday.
I got up at six thirty yesterday morning.
My father was at work yesterday afternoon.
Did you have a good time last summer?2、表示过去经常或反复发生的动作。
My father often went to work by bus last year.
When I was a child, I often listened to music.常用时间常与一般过去时态连用的时间有：yesterday
yesterday morning (afternoon, evening…)
last night (week, month, year…)
two days ago, a week ago, three years ago…
in 1990, (in 1998…)PRACTISE改写句子：
1、Lucy did her homework at home.（改否定句）
Lucy _______ _______ her homework at home.
2、He found some meat in the fridge.（变一般疑问句)
______ he _____ ______ meat in the fridge?
3、She stayed there for a week.（对划线部分提问）
______ ______ _____ she _____ there?
4、There was some orange in the cup.（变一般疑问句)
_____ there _____ orange in the cup? didn’t do
Did find any
How long did stay
Was anyThat’s great√ Good-bye March, 23 2005
