四年级英语语法精讲要点及习题1

四年级英语语法精讲要点及习题1

姓名 班级

一、名词复数规则

1．一般情况下，直接加-s， 如：book-books, bag-bags, cat-cats, bed-beds

2．以s. x. sh. ch结尾，加-es，如：bus-buses, box-boxes, brush-brushes, watch-watches

3.以“辅音字母+y”结尾，变y为i, 再加-es，如：family-families, strawberry-strawberries

4．以“f或fe”结尾，变f或fe为v, 再加-es，如：knife-knives

5．不规则名词复数：

man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice child-children foot-feet,. tooth-teeth fish-fish, people-people, Chinese-Chinese, Japanese-Japanese

练习： 写出下列各词的复数

I _________ him _________ this ___________ her ______

watch _______ child _______ photo ________ diary ______

day________ foot________ book_______ dress ________

tooth_______ sheep ______ box________ strawberry _____

thief _______ fish______ peach______ sandwich ______

man______ woman_______ paper_______ juice___________

water________ milk________ rice__________ tea__________

二、一般现在时

一般现在时基本用法介绍

【No. 1】一般现在时的功能

1.表示事物或人物的特征、状态。如：The sky is blue.天空是蓝色的。

2.表示经常性或习惯性的动作。如：I get up at six every day.我每天六点起床。

3.表示客观现实。如：The earth goes around the sun.地球绕着太阳转。

一般现在时的构成

1. be动词：主语+be(am,is,are)+其它。如：

I am a boy.我是一个男孩。

2.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. 一般现在时的变化

1. 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?

-Yes. I am. / No, I'm not.

特殊疑问句：疑问词+一般疑问句。如：Where is my bike?

2.行为动词的变化。

否定句：主语+ don't( doesn't ) +动词原形(+其它)。如：

I don't like bread.

当主语为第三人称单数时，要用doesn't构成否定句。如：

He doesn't 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 don't.

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 to work by bike?

- Yes, she does. / No, she doesn't.

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-studies

一般现在时用法专练:

一、 写出下列动词的第三人称单数

drink ________ go _________ stay ________ make ________ look _________ have_______ pass_______ carry ________ come________ watch______ plant_______ fly __________ study_______ brush________ do_________ teach________

二、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.

三、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)

___________________________________________________

三、现在进行时

1．现在进行时表示现在正在进行或发生的动作，也可表示当前一段时间内的活动或现阶段正在进行的动作。

2．现在进行时的肯定句基本结构为be+动词ing.

3．现在进行时的否定句在be后加not。

4．现在进行时的一般疑问句把be动词调到句首。

5．现在进行时的特殊疑问的基本结构为：

疑问词不达意 + be + 主语 + 动词ing?

但疑问词当主语时其结构为：

疑问词不达意 + be + 动词ing?

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-stopping

现在进行时专项练习：

一、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___________

二、用所给的动词的正确形式填空：

1.The boy __________________ ( draw)a picture now.

2. Listen .Some girls _______________ ( sing)in the classroom .

3. My mother _________________ ( cook )some nice food now.

4. What _____ you ______ ( do ) now?

5. Look . They _______________( have) an English lesson .

6.They ____________(not ,water) the flowers now.

7.Look! the girls ________________(dance )in the classroom .

8.What is our granddaughter doing? She _________(listen ) to music.

9. It’s 5 o’clock now. We _____________(have)supper now

10.______Helen____________(wash )clothes? Yes ,she is .

三、句型转换：

1．They are doing housework .(分别改成一般疑问句和否定句)

_____________________________________________________________ _____________________________________________________________

2．The students are cleaning the classroom . ( 改一般疑问句并作肯定和否定回答) _________________________________________________________________ _________________________________________________________________

3．I’m playing the football in the 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)

_________________________________________________________________

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