四年级时态复习

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(一)一般现在时

表示经常的或习惯性的动作

I get up at six every day.我每天六点起床

表示客观现实和普遍的真理。

The earth?goes?around the sun.

表示主语的特征、水平、职业、性格。

My mother is a teacher.?

第一人称:I (单数),we(复数)

第二人称:you (单数),you(复数)

第三人称单数:he, she, it以及这几个词所代替的所有单数名词

除了我和你之外其他所有的单数都叫做三单,当主语是三单时,动词后+s或es

Be动词有3个:am,is,are。我用am,你用are,is,连着他她它,单数is,复数are。

缩写:

is not = isn't are not = aren't I am = I'm he is = he's she is = she's it is = it's

we are=we're they are=t they're do not=don’t does not=doesn't

练习1

A

(1)They ?my grandparents.

They? my grandparents.(否定句)

they your grandparents?(一般疑问句)

Yes, (肯定回答)

No, .(否定回答)

I a teacher .

I a teacher.(否定句)

(一般疑问句)

(肯定回答)

.(否定回答)

这个女孩很高.

(一般疑问句)

(肯定回答)

.(否定回答)

助动词:do,does后加动原

动词三单形式:当主语是三单时,动词后+s或es

动词的第三人称单数变化规则:(与名词变复数的规则基本相同)

? ? ?1.????直接在动词后加s

like–likes , play—plays,

2.????以s,x, sh, ch结尾的动词加es

wash–washes

3.????以辅音结尾的动词加es

go----goes, do ---does

4.????以辅音+y结尾的动词,变y为i+es

fly----flies

Sam in New York.??(主语Sam是第三人称单数)

Sam ?live?in New York. (否定句)

Sam?live?in New York??(一般疑问句)

Yes, (肯定回答)

No, (否定回答)

Where does Sam live??(特殊疑问句)

I?want?to go swimming?.?(主语是第一人称)

I want?to go swimming. (否定句)

you?want?to go swimming??(一般疑问句)

Yes, (肯定回答)

No, (否定回答)

What do you do??(特殊疑问句)

选词填空,注意句子开头首字母要大写

do does don’t doesn’t

1 ______you like baseball ? Yes ,I______.

2_______they like basketball?

Yes,they ________.

3________Tony and Ben like baseball(棒球)?

No ,they______.

4______your friends like tennis(网球)?

Yes,they_______.

5________your brother like basketball?

No,he______.

6_______you like basketball?

Yes,I_______.

7_______they like watermelons(西瓜)? No,they_______.

8_______Jenny have a fork(叉子)? Yes ,she________.

10________your father like apples ?

Yes,he______.

11_______your friends like bananas? No,they_____.

12_______your father and mother have spoons(汤勺)?

Yes,they__________.

单项选择,

( )1 Ben ______a book.

A. has got B. have got C had

( )2 I ____elephants.

A like B likes C Liking

( )3 Tom______in the morning.

A sleeps B sleep C sleeping

( )4 The cat _____fish.

A likes B like C liking

( )5 The cats ______fish.

A like B likes C liking

( )6 What _____you do in the morning.

A does B do C doesn,t

( )7 What ______Lingling have at school today?

A do B does C don.t

( )8 She _____Maths and PE.

A do Bhas C have

( ) 9 _______Amy at home?

A Is B Does C Do

( )10 .He ______football in the afternoon.

A.plays B.play C.playing

( )11 ----Does Daming go swimming in summer?

------_________

A Yes,he doesn’t. B No,he doesn’t.

C Yes,he do. D No,he don’t.

( )12 Lili _____basketball and she _____swimming.

A plays, goes B playing ,going

C play go D play, goes

( )13 Xiaoyong doesn’t________shopping in the morning.

A goes B go C going

/(二)一般将来时

一般将来时表示将要做某事,常某某tomorrow , the day after tomorrow , next…连用。

1.??????主语will +动词原形+其它

A.?肯定句:主语+ will+动词原形.

B.?否定句:主语+ won’t+动词原形.

(will后加not,其余不变。?will not = won’t)

C.?一般疑问句:Will +主语+动词原形.?

(will提前,其余不变。)

Yes ,?主语?+will . (肯定回答)

No ,?主语?+won’t .(否定回答)

II.主语?+? be going to 动原+?其它

其中be包括am/is/are三种形式。

I用am,?他,她,它(第三人称单数)用is,?其余用are.

肯定句:主语+be(am/is/are)+going to+动词原形。

否定句:主语+be(am/is/are)+not+going to+动词原形。(be后加not,其余不变)

一般疑问句:Be(am/is/are)+主语going to+动词原形?(be提前,其余不变)

肯定回答:Yes,?主语+be(am/is/are).

否定回答:No,?主语+be(am/is/are)+not.

1.????I`ll (go)swimming?on Monday.

I go swimming on Monday.(否定句)

you go swimming on Monday?(一般疑问句)

Yes, .(肯定回答)

No .(否定回答)

What will you do on Monday?(特殊疑问句)

2.????We`re going to (have)a picnic on Saturday .

We a picnic on Saturday . (否定句)

you?going to?have?a picnic on Saturday .(一般疑问句)

Yes, .?(肯定回答)

No, (否定回答)

are you going to do on Saturday??(特殊疑问句)

1.Will?you?take?your kite tomorrow??明天你将带风筝去吗?

Yes, I / No, I .

2.So?I?will take?my kite and my ball on Saturday.

3.What?will?you (do)?, Shanshan??珊珊,你打算做什么?

On Monday I`ll (go)?swimming .

5.Will?you?play?football on Monday?

?同义句

6.One day robots?will do?everything.

同义句

And they?will help?children (learn) .

8.Will?they?do?our homework ??No, ?.不,他们不会。

9.Will it windy in Beijing ??? Yes , it ./No. It .

【注意表示天气变化的词]

windy(刮风的/有风的);rainy(下雨的/多雨的);snowy(下雪的/多雪的);

sunny(晴朗的/阳光充足的);cloudy(多云的/阴天);hot(炎热的);

cold(寒冷的);warm(暖和的);cool(凉爽的/凉快的)。

注意:will+动原

Will be+天气形容词

sunny/cloudy/windy/rainy/snowy/cold/hot/warm/cool?是形容词,要加上be才能放在will后。

10.?Will?it (sunny)?tomorrow??.

11. What?will?the weather?be?today ?

12. On Saturday we`re going to?have?a picnic .

天气造句:

(三)现在进行时表示“此刻正在做某事”,用句型“主语+be(am/is/are)+动词ing+其他”表示。其中,I?用am,?他,她,它(第三人称单数)用?is,?其余用are.

A.肯定句:主语?+be +doing.

B.否定句:主语?+be +not+ doing.(be后加not,其余不变。)

C.一般疑问句:Be+?主语?+doing?(be提前,其余不变。)?

Yes,?主语+ be.??/ No,?主语+ be not.

D.?特殊疑问句(对划线部分提问)

What+is/are+主语+doing?表示问“某人正在做什么?”

动词-ing叫做现在分词,构成规则如下:

A.直接加ing.如:play/ watch/listen/jump

play ---playing

B.以e结尾的动词,去e加ing.如:take /ride /dance /make

?? take--taking

C.重读闭音节,只有一个辅音字母结尾,双写最后的辅音字母,加ing.如swim/run /skip /shop

?? swim---swimming

1.She?? (read)a book now . 2. He’s (take)?pictures now.

3.I? (listen)?to music now.? 4. They’re ?(play)chess now.

5.Sam (take) pictures now. 6.Amy (talk)to her friend now.

7.They’re (drink)milk. 8. She? (be)riding?the horse.

9.The girls (sing). 10.The elephant (be)drawing pictures.

11.The tigers (jump) now. 12.The horse (run) now.

13.It (dance)now.

2、特殊疑问句:

What is/are+主语+动词ing?

What are they drinking? What are they doing?

What are you doing? What is the elephant doing?

?语法三:一般过去时

一般过去时表示过去发生的事情,常跟表示过去的时间词连用,如yesterday / last year... / then等。

一般过去时中,动词不再分人称,所有动词要使用过去式(即动词词尾加ed)

过去式构成规则:

过去时变动词,be动词变成was,were,我用was,你用were,was跟着它,他,她

单数was,复数were

非be动词

1)直接加ed,如,play---played

2)以e结尾的动词直接加?d,?如,like---liked

3)重读闭音节,双写词尾的辅音加?ed,

一个元音字母加一个辅音字母结尾,r除外。如:plan--planned? travel—travelled

4)以辅音字母+y结尾的词,变y为i加-ed

如:carry--carried

5)不规则变化(ride-rode,go--went,tell-told)

肯定句:主语+动词-ed+其它。

否定句:主语+didn’t+动词原形+其它。(句中加didn’t,动词还原,其余不变)

一般疑问句:Did+主语+动词原形+其它?(句首加did,动词还原,其余不变)

Yes,主语+ did .?(肯定回答)

No ,?主语+ didn’t .?(否定回答)

练习

1.Grandma (cook)fish?yesterday.

Grandma fish yesterday .(否定句)

?(一般疑问句)

Yes, .?(肯定回答)

No, .(否定回答)

What did grandma do yesterday?(特殊疑问句)

2.I?? (is)a student then.

I a student then.(否定句)

you?a student then??(注意第一人称要变成第二人称)(一般疑问句)

Yes, I?

No, I? .

3.Lingling? (is)?a student then.

Lingling a student then.(否定句)

(一般疑问句)

(肯定回答)

.(否定回答)

4.But ,?was,so, short,your ,hair.连词成某某

5.He ?short then, he ?tall now.? .(注意区别两种时态)

6.They ??young, they ?old now。(注意区别两种时态)

7.She ??tall then. She?was?short.

8.He?wasn`t?naughty then. He? cute

9.It fat then. It?was?thin.

10.Was?it fat ??

No,

11.On Monday Amy (phone)??Grandma.

12.Yesterday Grandma (cook)?fish.

13.We? (walk)?in the park and we?talked?to some friends.

14.Did?you (cook) meat yesterday?

No, I 。

15.Did?you (listen)to music?No, we?didn`t.?不,我们没有。

16. you and Sam help your mother?Yes, we?did.

17.I (help)??Mum. But Sam didn`t (help). He (play) on the computer.

18.Yesterday I (watch)??TV. What about you?

19.Did?Dad (cook)lunch? Yes, he ./No, he .

20 you play basketball last weekend? No, I di 内容过长,仅展示头部和尾部部分文字预览,全文请查看图片预览。 词原形+其他

回答: Yes,?主语+can. / No,?主语+can’t

例:1) Can you run fast? Yes, I can. / No, I can’t.?

Can you jump high? Yes, I can. / No, I can’t.?

Can Sam play football? Yes, he can. / No, he can’t.

There be?句式表示“这里有…”

There is +a/an+名词单数+其他? There is +不可数名词

例:There is?a horse?in this photo.

There are +名词复数+其他

例:There are?twelve boys?on the bike.?

There are?three chickens?in the photo.

3.就近原则

There is?a horse and two bears?in this photo.

There are two bears and?a horse in this photo.

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