英语第三人称单数知识点总结

英语第三人称单数知识点总结
第三人称单数：在表示经常性的或习惯性的动作时，动词要用一般现在时。

当主语是第三人称单数时，行为动词就用动词第三人称单数形式。

动词第三人称单数形式的构成规则：
1、一般在词尾加“-s”；
2、在s，z，x，sh，ch 结尾的词在词尾加“-es”；
3、以“辅音字母＋y”结尾时，变y为i，再加“-es”；
4、以“辅音字母＋o”结尾的词，多数在词尾加“-es”；如：go-goes，do-does
5、be动词的单三式为is；
6、have动词的单三式为has。

但有些同学们对于哪些主语是第三人称单数还不十分清楚，现归纳总结如下：
一、人称代词he, she, it是第三人称单数。

如：
He likes watching TV. 他喜欢看电视。

She has lunch at twelve. 她十二点吃午餐。

It looks like a cat. 它看起来像只猫。

二、单个人名、地名或称呼作主语；是第三人称单数。

如：
①Han Mei looks like her mother. 韩梅看起来像她的母亲。

②Beijing is in China. 北京在中国。

③Uncle Wang often makes cakes. 王叔叔经常做蛋糕。

三、单数可数名词或"this / that / the+单数可数名词"作主语时，是第三人称单数。

如：①A horse is a useful animal. 马是有用的动物。

②This book is yours. 这本书是你的。

③That car is red. 那辆小汽车是红色的。

④The cat is Lucy's. 这只猫是露茜的。

四、不定代词someone, somebody, nobody, everything, something等及指示代词this, that 作主语时，是第三人称单数。

如：
①There is something wrong with the watch. 这块手表有毛病。

②Everyone is here. 大家到齐了。

③This is a pen. 这是一支钢笔。

④That is an eraser. 那是一块橡皮擦。

五、不可数名词作主语时为第三人称单数。

如：
①The milk is in the glass. 牛奶在玻璃杯里。

②The bread is very small. 那面包很小。

六、当数字或字母作主语时，看作第三人称单数。

如：
①"6" is a lucky number. "6"是个吉利数字。

②"I" is a letter. "I"是个字母。

巩固练习题：
I.写出下列动词的相应形式：
1. 第三人称单数：wash_________ match _______guess______ study______
finish_________ go________ snow______ carry_________
2.写出下列动词的过去式：stop______ see________ drive ________let_______
carry______ keep_____ join______ find_______ think________ teach______ catch______ 3. 写出下列动词的现在分词形式：stay_______ begin______ forget_______
forget______ lie________ die _______ run_______ prefer______ give________
ring_______ dance______ hope_______
II. 用所给动词的适当形式填空：
1．I ________(write) to you as soon as I _______(get) to London.
2. He doesn’t feel well and ____________(not eat) any food this morning.
3. He _____ not _____(see) me come in, for he _______(read) something with great interest.
4. I _________(let) you have the book as soon as I _________(finish) it.
5. While we ________(wait) for our teacher, a little boy ________(run) up to us.
6. Don’t make a noise. Grandpa __________(sleep).
7.It’s seven now, Tom’s family__________(watch) TV.
8. It ________(take) me two hours to finish my homework last night.
9. What _____ your mother ______(do) at eight yesterday evening? She ______(wash) clothes.
10. ______ it ______ (rain) when school was over yesterday?
11. What _______(do) _______ tomorrow? We ________ (play) football.
12. There ________ (be) a football match on TV this evening.
13. They said they ________ (visit) the Great Wall the next summer holiday.
14. Who _______ (dance) the best in your class?
15. Will you come if he _____________ (not come)?
16. The teacher told us the earth __________ (move) round the sun.
17. They _______ (have) a party in the garden if it ________ (not rain) tomorrow.
18 She ________ (buy) a sweater yesterday.
19. I don’t know if Mr.Wang ______ (go) to Shanghai tomorrow. If he _____ (go), I _____ (ask) him ______ (take) some books to my daughter, because she ______ (study) there.
III单项选择：
1.The students will go to the Summer Palace if it _____ tomorrow.
A. don’t rain
B. doesn’t rain
C. won’t rain
2. There _____ an English film next week.
A. will have
B. is going to have
C. is going to be
D. was going to be
3. The picture _______ nice. A. looks B. is looked C. look D. is looking
4. She ______ down and soon fell asleep. A. live B. lain C. laid D. lay
5. They _____ the office at nine yesterday morning.
A. reached to
B. arrived
C. went
D. get to
6. We shall go to Shanghai on business before you _____ back next week.
A. will come
B. came
C. would come
D. come
7. Don’t smoke until the plane ______ off.
A. takes
B. took
C. was taken
D. is take
8. I saw her ____ the room this morning. A. to enter B. entered C. enter D. enters
9. The teacher asked us ___ to school on time. A. to come B. coming C. come D. comes
10. John is always ______ others. A. help B. helping C. helps D. to help
11. He told us ______ at eight. A. working B. to work C. work D. worked
12. You’d better ______ at home and ______ your homework.
A. to stay, do
B. stay, do
C. to stay, to do
D. stay, to do
13. He sat down ______ a rest. A. having B. have C. to have D. had
14. Uncle Wang knows _______ a washing machine.
A. how to make
B. to make
C. how making
D. what to make
15. Jim decided _______ Polly to Ling Feng when he was back to England.
A. to leave
B. left
C. leaving
D. leave。