八年级英语时态复习
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英语动词时态:
时间的变化+动词词型的变化
(一)一般现在时
一、定义
1) 经常性或习惯性的动作。
I leave home for school at 7 every morning.
2) 客观真理,客观存在,科学事实。
The earth moves around the sun.
Shanghai lies in the east of China.
3) 现在时刻的状态, 或主语具备的能力、性格和个性。
They are at school .
Ann Wang writes good English but does not speak well.
二、连用的时间状语:every/day/morning/week/moth/year, sometimes,often, usually, always,
never at six, on Sundays,
三、构成
1)be动词的一般现在式:(第一人称单数用am第三人称单数用is, 其余的人称用are。
)
①肯定句:主语+am/is/are+其他
如:You are workers,she is a writer and I am a student.
②否定句: 主语+ am/is/are +not+其他
如:She is 13 and her two brothers are 15.
③一般疑问句: Am/Is/Are +主语+其他?
如:Are you lily? Is she Miss Green?
2)行为动词的一般现在时:(第三人称单数用does(动词三单形式),其余人称用do(动词原形))
①肯定式:主语+do/does+其它。
如:She likes reading but we like singing.
②否定式:主语+don’t/doesn’t+动词原形+其它。
如:My sisters don’t go to the zoo. May doesn’t go,either.
③一般疑问句:Do/Does+主语+动词原形+其它?肯定回答:Yes,主语+do/does.
否定回答No,主语+don’t/doesn’t.
如:Do they have a meeting? Yes,they do. / No,they don't.
Does Lilei play football everyday? Yes,he does/No, he doesn’t.
④特殊疑问句:特殊疑问词+do/does+动词原形+其他?
如:What time do you get up every morning?
When doeso her homework on weekdays?
补充:单三主语与非单三主语的区别
单三主语:I, we, you之外的主语中的单数。
如:my cousin, the panda , their school, our Chinese teacher, that car。
非单三主语:包括I, we, you和第三人称复数主语。
:如:they, his brothers, the twins。
(二)现在进行时
一、定义:
1、表示现在(说话的瞬间)正在进行或发生的动作
如:Se is reading a book now
2、表示现阶段正在进行或当前一段时间内一直进行的动作。
如:They are working on the farms these days .
3、表示将要发生的动作或行为(适用于某些动词:如fly(飞往),leave(离开),go,come,
arrive,reach,move等。
)
如:We’re leaving tomorow.
二、结构:
(1)肯定式:主语+be+v-ing+其它。
如:
He is mending his bike.他正在修自行车。
(2)否定式:主语+be+not+v-ing+其它。
如:
He is not(isn't)mending his bike.他没在修自行车。
(3)疑问式:主要分一般疑问句和特殊疑问句两种句式。
一般疑问句:Be+主语+v-ing+其它?如:
—Is he mending his bike?他正在修自行车吗?
—Yes,he is.(No,he isn't.)
特殊疑问句:疑问词+be+主语+v-ing+其它?如:
—What is he doing?他正在干什么?
三、常用于现在进行时的时间状语提示词:
(1)Look!或Listen!提示我们说话时动作正在进行,应用现在进行时。
如:
Look!The children are playing games over there.
Listen!Who's singing in the classroom?
(2)now(现在),at pesent, at this moment等常表示说话时动作正在进行,这时也常用现在进行时。
如:We are reading English now.
(3)these days,this week等表示当前一段时间内的活动或现阶段正在进行的动作时常用现在进行时。
如:We are playing football these days.这些天我们在踢足球。
(4)描述图片中的人物的动作时常用现在进行时,以示生动。
如:Look at the picture.The girl is swimming.
(5)有时句子中可能没有时间状语,但如果表示的是说话时或者现阶段正在进行的动作,就应该用现在进行时。
如:
—What's Jim doing?吉姆在干什么?
—He is cleaning the room.他正在打扫房间。
注意:是不是所有的动作都可以用现在进行时?
不是。
有一些表示状态、结果、感觉和感情的动词,如have(有),be(是),like(喜欢),know(知道),want(想要),think(认为),see(看见),hear(听见),forget(忘记)等,一般不用现在进行时。
如:I have a new bike now.现在我有一辆新的自行车。
但不说:I'm having a new bike。
此类动词还有love, ,hate,hope,need,prefer,wish,
understand,remember,guess,mean,feel, seem, look(看起来),see, own, find, mind(在意),等。
一般现在时和现在进行时的区别
1.一般现在时表示经常性的动作;而现在进行时表示暂时性的动作。
He walks to work.
他步行上班。
(习惯、经常性的动作)
He's walking to work because his bike is being repaired.
他现在走着上班,因为他的自行车正在修理。
(只是暂时的情况)
Where does he live?
他家住在哪儿?(询问一般的情况)
Where is he living(staying)?
他这几天住在哪儿?
(询问暂时一段时间的情况)
2. 现在进行时有时可用来代替一般现在时,表达说话人的某种感惰,使句子有强烈的感情色彩。
常与always,forever连用。
You are always forgetting the important thing.
你总是把重要的事情忘掉。
(表达出不满的情绪)
Mary is doing fine work at school.
玛丽在学校学习得挺不错。
(比Mary does fine work.更富有赞许的意思)
一般过去时
一、定义:
1.表示在确定过去时间发生的动作或存在的状态,常与表示过去时间的副词如:yesterday,last week,two hours ago,in 1996等连用。
如:My family moved here five years ago.或I was born in 1973.
2.表示过去一段时间经常或反复发生的动作。
这时可与频度副词如:often,usually,always 等连用。
He always worked into night those days.那些日子他总是工作到深夜。
I often left on business in 1987.1987年我经常出差。
3.表示过去发生的一连串动作。
He put down the heavy box,took out the keys,and opened the door.
They moved the chairs to the table,sat down and began to have supper.
4.表示主语在过去的特征或性格。
如:At that time,she spoke little English.
二、构成:
1)be动词时过去式的句式:(第一人称单数和第三人称单数用was, 其余的人称用were。
)
①肯定句:主语+was/were+其他
如:Last year, the twins were 12, Tom was 13 and I was 14 .
②否定句: 主语+was/were+not+其他
如:She was a good student but you were not .
③一般疑问句: Was/were+主语+其他?
如:Were they students last year? No, they weren’t. .They were workers last year.
2)。
行为动词过去式的句式。
(无人称和数的变化)
①肯定式:主语+v-ed(动词过去式)+其它。
如:They had a good time yesterday.
②否定式:主语+did not(didn't)+动词原形+其它。
如:They didn't watch TV last night.
③一般疑问句:Did+主语+动词原形+其它?肯定回答:Yes,主语+did.否定回答:No,
主语+didn't.
如:Did they have a meeting two days ago? Yes,they did. / No,they didn't.
④特殊疑问句:特殊疑问词+did+主语+动词原形+其它?
如:What time did you finish your homework?
练习:
一、用括号内动词的适当形式填空。
1. He often (have) dinner at home.
2. Daniel and Tommy (be) in Class One.
3. We (not watch) TV on Monday.
4. Nick (not go) to the zoo on Sunday.
5. they (like) the World Cup?
6. What they often (do) on Saturdays?
7. your parents (read) newspapers every day?
8. The girl (teach) us English on Sundays.
9. She and I (take) a walk together every evening.
10. There (be) some water in the bottle.
11. Mike (like) cooking.
12. They (have) the same hobby.
13. My aunt (look) after her baby carefully.
14. You always (do) your homework well.
15. I (be) ill. I’m staying in bed.
16. She (go) to school from Monday to Friday.
17. Liu Tao (do) not like PE.
18. The child often (watch) TV in the evening.
19. Su Hai and Su Yang (have) eight lessons this term.
20. -What day (be) it today?
-It’s Saturday.
21.Look!Tom and his parents ________(swim)in the river now.
22.It's only 7 o'clock,but Mary ________(sleep)in bed.She ________(not go)to bed so early every night.She is ill today.
23.—I ________(do)my homework.But my pen is broken.
—Don't ________(worry).I'll ________(mend)it for you now.
24.—What are they doing now?
—They ________(put)on their clothes.
25.It's five o'clock.The students ________(play)football on the playground.
26.Listen!Jim's radio ________(make)a loud noise.Would you please tell him ________(turn)it down?
27. I _________ (have) an exciting party last weekend.
28. ______ she ______(practice) her guitar yesterday? No, she _________.
29.——What ________ Tom ________ (do) on Saturday evening?
——He ________(watch) TV and __________(read) an interesting book.
30 They all _________(go) to the mountains yesterday morning.
31. She _________(not visit) her aunt last weekend. She ________ (stay) at home and
_________(do) some cleaning.
32.When ________ you _________(write) this song? I __________(write) it last year.
33. My friend, Carol, ___________(study) for the math test and __________(practice) English last night.
34. ________ Mr. Li __________(do) the project on Monday morning? Yes, he _________.
35. How _________(be) Jim's weekend? It _________(be not) bad. 10. ________ (be) your mother a sales assistant last year? No. she __________.
二、按照要求改写句子
1. Daniel watches TV every evening.(改为否定句)
2. I do my homework every day.(改为一般疑问句,作否定回答)
3. She likes milk.(改为一般疑问句,作肯定回答)
4. Amy likes playing computer games.(改为一般疑问句,作否定回答)
5. We go to school every morning.(改为否定句)
6. He speaks English very well.(改为否定句)
7. I like taking photos in the park.(对划线部分提问)
8. John comes from Canada.(对划线部分提问)
9. She is always a good student.(改为一般疑问句,作否定回答)
10. Simon and Daniel like going skating.(改为否定句)
11.He is at work now.(改为同义句)
He ________ ________ now.
12.They play basketball in the morning.(用now替换划线部分)
They ________ ________ basketball now.
13.The teacher is talking to my brother.(对划线部分提问)
________ is the teacher talking to?
________ ________ is the teacher talking?
14.Mr. Green is teaching us English.(对划线部分提问)
________ ________ Mr. Green ________?
15.The women are working near the house.(对划线部分提问)
________ ________ the women working?
16.Tom and his classmates are cleaning the windows.(同义句)
Tom ________ his classmates is cleaning the windows.
17.我过了一个忙碌但却刺激的周末。
I _________ _________ __________ __________ exciting weekend.
18. Jenny喜欢看书。
昨晚她看了一本地理方面的书籍。
Jenny likes _________ __________. She _________ a book ________ _________ last night.
19.Emma每天都练习弹吉他。
可是昨天他没有练习。
他为数学考试作准备了。
Emma __________ the guitar every day. But he _________ ___________ yesterday. He
_________ _________ the math test.
20. 上周六他们做什么了?他们做作业和购物了。
What ________ they _________ _________ Saturday?
They _________ __________ homework and _________ ________ __________.
2 1.What day is it today?(用yesterday改写句子)
What day yesterday?
22.He was at school yesterday.(改为否定句)
He at school yesterday.
23.We did our hom ework after supper.(改为否定句)
We our hom ework after supper.
24.They were in Beijing last week.(改为一般疑问句,并作肯定回答)
— in Beijing last week?
—,.
25.She had sports yesterday afternoon(改为一般疑问句并作否定回答)
she sports yesterday afternoon?
,
26.They read newspapers a moment ago.
they a moment ago?
27.He flew to Beijing with his robot yesterday.
he to Beijing with his robot?
28.We came here because my parents worked here.
you here?
29.The Greens moved to Shanghai.
to Shanghai?
三、单项选择题
1.—What're the children doing?
—They ________.
A.are listening the radio B.are looking books
C.are watching TV D.seeing a film
2.There is a dog ________ in the yard(院子)now.
A.run B.running C.runs D.is running
3.We __any Chinese classes on Thursday.We ____an English class now.A.aren't having;have B.don't have;have
C.don't have;are having D.aren't having;are having
4.The twins ________ red skirts today.They look fine.
A.are wearing B.are putting on C.are wear D.put on
5.One of the boys ________ standing by the lake.
A.are B.be C.is D.am
6.It's 12 o'clock.The Green family ________ lunch.
A.have B.has C.are having D.is having
四、改错
( )1. Is your brother speak English?
( )2. Does he likes going fishing?
( )3. He likes play games after class.
( )4. Mr. Wu teachs us English.
( )5. She don’t do her homework on Sundays.。