小学英语语法-四大时态

1、四大时态复习1. 一般现在时(1) 一般现在时的构成(肯定句) be动词：主语+be(am,is,are)换它.如：I am a boy我是一个男孩. 行为动词：主语+行为动词(+其它).如：We study English我们学习英语.当主语为第三人称单数(he, she,it)寸,要在动词后加-s或-es.如：Mary likes Chinese.玛丽喜欢汉语.(2) 一般现在时的变化 . be动词的变化.否认句:主语+ be + not +其它.如：He is not a worker他不是工人.一般疑问句:Be + 主语 + 其它. 如：-Are you a student? -Yes

2、. I am. / No, Im not.特殊疑问句:疑问词+一般疑问句.如： Where is my bike?.行为动词的变化.否认句:主语 + dont( doesnt ) + 动词原形(+其它).如:I dont like bread.当主语为第三人称单数时,要用doesnt构成否认句.如：He doesnt often play.一般疑问句:Do( Does ) + 主语+动词原形 + 其它.如：-Do you often play football?-Yes, I do. / No, I dont.当主语为第三人称单数时、要用does构成一般疑问句.如：-Does she go t

3、o work by bike? - Yes, she does. / No, she doesnt.特殊疑问句:疑问词+一般疑问句.如：How does your father go to work?*动词+s的变化规那么1. 一般情况下,直接加-s,如:cook-cooks, milk-milks2. 以 s. x. sh. ch. o结尾,加-es, 如：guess-guesses, wash-washes, watch-watches, go-goes3. 以“辅音字母+y结尾,变y为i,再加-es,如：study-studies2. 现在进行时(1) 一般现在时的构成：be(am,is

4、, are)+动词的ing形式.如：I am reading.我正在读书(2) 现在进行时的否认句在 be后加not,即be(am,is, are) + not +动词的ing形式.如：She is not doing her homework now.她现在没有做作业.(3) 现在进行时的一般疑问句把be动词调到句首,即Be(am,is, are) +人+动词ing形式.如：Are you drinking milk now? 你现在在喝牛奶吗(4) 现在进行时的特殊疑问的根本结构为：疑问词 + be +人+动词ing?如：Where are you going?你现在去哪但who当主语时其

5、结构为： Who + be + 动词ing?如:Who is talking to you?谁在和你说话*动词加ing的变化规那么1. 一般情况下,直接加 ing,如：cook-cooking2. 以不发音的 e结尾,去 e加 ing, 如： make-making, taste-tastinging,如:3 .如果末尾是一个元音字母和一个辅音字母,双写末尾的辅音字母,再加run-running, stop-stopping3. 一般将来时(1) 一般将来时根本结构：be going to + do (动词原形)；will+ do (动词原形).(2) 否认句:在be动词(am, is, ar

6、后加not或情态动词 will后加not成won t.结构为：be(am, is, are) + not + 动词原形will not + 动词原形 (will not = won t)例如： I m going to have a picnic this afternoon.tI m not going to have a picnic this afternoon. I will go shopping this weekend.t I will not go shopping this weekend.= I won t go shopping this weekend.(3) 一般疑问

7、句:be或will提到句首,some改为any, and改为or,第一二人称互换.例如： We are going to go on an outing this weekend.t Are you going to go on an outing this weekend? I will play football tomorrow afternoon.t Will you play football tomorrow afternoon?(4) 特殊疑问句 问人用Who例如：I m going to New York soon. Who s going to New York soon.

8、问干什么用 What do.例如： My father is going to watch a race with me this afternoon.t What is your father going to do with you this afternoon. 问什么时候用When.例如： She s going to go to bed at nine. tWhen is she going to bed?4. 一般过去时(1) .肯定句be动词在一般过去时中的变化: am 和is 在一般过去时中变为 wa麟(was not=wasn t) are在一般过去时中变为 were.(we

9、re not=weren t)行为动词在一般过去时的句子中要变成过去式(一般是在句子后面加ed)(2) 否认句:be 动词变成 was not(wasnt) 或 were not (werent)如：He wasnt a teacher two years ago.didn t +动词原形如：Jim didn t go home yesterday.(3) 一般疑问句有be动词的一般疑问句把 was或were调到句首.如： Were you a teacher two years ago?句中没有be动词的一般过去时的句子,在句首加did,句子中的动词过去式变回原形如： Did Jim go

10、home yesterday?(4) 特殊疑问句: 疑问词+did+主语+动词原形如：What did Jim do yesterday? 疑问词是who时：疑问词+动词过去式如： Who went to home yesterday?动词过去式变化规那么:.一般在动词末尾加-ed,如：pull-pulled, cook-cooked.结尾是 e加 d,如:taste-tasted.以“辅音字母+y结尾的,变y为i, 再加-ed,如：study-studied.不规那么动词过去式：am,is-was, are-were, do-did, see-saw, say-said, give-gave

11、, get-got, go-went, come-came,have-had, eat-ate, take-took,run-ran, sing-sang, put-put, make-made, read-read, write-wrote, draw-drew, drink-drank,fly-flew, ride-rode,speak-spoke, sweep-swept, swim-swam, sit-sat【随堂练习】一、写出以下动词的第三人称单数drink go stay make look havepass carry come watch plant flystudy brus

12、h do teach二、根据要求改写句1. Daniel watches TV every evening.改为否认句2. I do my homework every day.政为一般疑问句,作否认答复3. She likes milk.改为一般疑问句,作肯定答复4. I like taking photos in the park.0亏划线局部提问5. John comes from Canada对划线局部提问三、写出以下动词的现在分词:play run swim make go likewrite _ski read have sing dance put see buy love li

13、vetake come get stop sit beginshop四、句型转换:一1. They are doing housework .伏成否认句2. The students are cleaning the classroom .攸一般疑问句并作肯定和否认答复 3. I m playing the football in the playground .M划线局部进行提问4. Tom is reading books in his study .的划线局部进行提问五. 填空.1. 我打算明天和朋友去野炊.I have a picnic with my friends.I have a

14、 picnic with my friends.2. 下个星期一你打算去干嘛?我想去打篮球.Whatnext Monday? I play basketball.What you do next Monday? I play basketball.3. 你妈妈这个周末去购物吗是,她要去买一些水果.your mother go shopping this? Yes, sheShe buy some fruit.4. 你们打算什么时候见面.What time you meet?5. Nancy is going to go camping.改否认Nancy going to go camping.

15、6. I ll go and join them.改否认I go join them.7. I m going to get up at 6:30 tomorrow.改一般疑问句to get up at 6:30 tomorrow?8. We will meet at the bus stop at 10:30 .改一般疑问句meet at the bus stop at 10:30.9. She is going to listen to music after school.对划线局部提问she after school?10. My father and mother are going to see a play the day after tomorrow戈.线局部提问going to see a play the day after tomorrow.七. 写出以下动词的过去式fly plant are drink play gomake does dance worry ask tasteeat draw put throw kick passdo 八、句型转换1. It was exciting.否认句:_般疑问句：肯、否认答复：2. All