小学英语语法-四大时态

1、精品好资料学习推荐四大时态复习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)+其它。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)时，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。否定句：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

2、? -Yes. 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。否定句：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构成否定句。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

3、 she go to 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的变化规则1一般情况下，直接加-s，如：cook-cooks, milk-milks 2以s. x. sh. ch. o结尾，加-es，如：guess-guesses, wash-washes, watch-watches, go-goes 3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： b

4、e(am,is, are)+ 动词的ing形式。如：I am reading. 我正在读书（2） 现在进行时的否定句在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基本结构为：疑问词+ be + 人+ 动词ing? 如：Where are you goi

5、ng? 你现在去哪？但who当主语时其结构为：Who + be + 动词ing? 如：Who is talking to you? 谁在和你说话？*动词加ing的变化规则1一般情况下，直接加ing，如：cook-cooking 2以不发音的e结尾，去e加ing，如：make-making, taste-tasting 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ing，如：run-running, stop-stopping3. 一般将来时（1）一般将来时基本结构：be going to + do（动词原形）；will+ do（动词原形）. （2）否定句：在be动词（am,

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

7、：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. Are you going to go on an outing this weekend? I will play football tomorrow afternoon. Will you play football tomorrow afternoon?（4）特殊疑问句 问人用Who 例如：Im going to New York soon. Whos going to New York soon. 问干什么用W

8、hat do. 例如： My father is going to watch a race with me this afternoon. What is your father going to do with you this afternoon. 问什么时候用When.例如：Shes going to go to bed at nine. When 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was。（was not=wasnt） are在一般过去时中变为were。（were not=werent

9、）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） 否定句：be动词变成 was not(wasnt) 或 were not (werent)如：He wasnt a teacher two years ago. didnt +动词原形如：Jim didnt 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 home yesterday? （

10、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? * 动词过去式变化规则：一般在动词末尾加-ed，如：pull-pulled, cook-cooked 结尾是e加d，如：taste-tasted 末尾只有一个元音字母和一个辅音字母的重读闭音节，应双写末尾的辅音字母，再加-ed，如：stop-stopped 以“辅音字母+y”结尾的，变y为i，再加-ed，如：study-studied 不规则动词过去式：am,is-was, are-were,

11、 do-did, see-saw, say-said, give-gave, 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、写出下列动词的第三人称单数drink _ go _ stay _ make _ l

12、ook _ have_ pass_ carry _ come_ watch_ plant_ fly _ study_ brush_ do_ teach_ 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. I like taking photos in the park.(对划线部分提问) _ 5. John comes from Canada.(对划线部分提问)

13、_ 三写出下列动词的现在分词：play_ run_ swim _make_ go_ like_ write_ _ski_ read_ have_ sing _ dance_ put_ see_ buy _ love_ live_ take_ come _ get_ stop_ sit _ begin_ shop_ 四、句型转换：1. They are doing housework .(改成否定句) _ 2The students are cleaning the classroom . ( 改一般疑问句并作肯定和否定回答) _ _ 3Im playing the football in th

14、e playground .(对划线部分进行提问) _ 4 Tom is reading books in his study . (对划线部分进行提问) _ 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 picnic with my friends. 2. 下个星期一你打算去干嘛? 我想去打篮球。What _ _ _ _ _ next Monday? I _ _ _ play basketball. What _ you do next Monday? I _ play basketball. 3. 你

15、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, she _. She _ _ _ 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.（改否定） Nancy _ going to go camping. 6. Ill go and join them.（改否定） I _ go _ join them. 7. Im going to get up at 6:30 tomorrow.（改一般疑问

16、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.（对划线部分提问） _ _ she _ _ _ after school? 10. My father and mother are going to see a play the day after tomorrow.(对划线部分提问) _ _ going to see a play the day after tomorrow. 七写出下列动词的过去式fly_ plant_ are _ drink_ play_ go_ make _ does_ dance_ worry_ ask _ taste_ eat_ draw_ put _ throw_ kick_ pass_ do _ 八、句型转换1. It was exciting. 否定句：_ 一般疑问句：_ 肯、否定回答：_ 2. All the students were very