(完整word版)第三人称单数用法讲解及练习题
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动词第三人称单数形式讲解
一、什么是第三人称单数？
人称可分为三类：第一人称、第二人称和第三人称
第一人称：I we
第二人称：you
第三人称：he、she、it、they和人名类（如：Peter、Jane、my father等）结合以上知识，第三人称单数就是he、she、it和单个的某人，也包括单个的动物、东西等。
二、动词为什么要变成相应的三单形式？
在一般现在时中，跟在第三人称单数后面的动词也要变成相应的三单形式，例如：
I watch TV every day. 如果主语是三单，动词要变化：
He watches TV every day.
She watches TV every day.
Jane watches TV every day.
三、动词三单的变化规则
1、一般情况下直接加s，如speak-speaks, like-likes, play-plays
2、以s, x, sh, ch, o 结尾的加es，如wash-washes, go-goes, do-does, watch-watches
3、以辅音字母+y 结尾的，改y 为i 再加es，如study-studies，try-tries
4、特殊变化，如have-has
四、does和doesn’t 在句子中的用法
否定句：主语+don’t/doesn’t+动词原形+（其他）。如：
I don’t watch TV. 我不看电视。
当主语为第三人称单数时，要用doesn’t 构成否定句。如：
He doesn’t watch TV. 他不看电视。
注意doesn’t后面用动词原形watch，而不是watches
一般疑问句：Do / Does+主语+动词原形+（其他）。如：
Do you watch TV? 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 watch TV? Yes, she does. / No, she doesn’t.
特殊疑问句：疑问词+一般疑问句。如：
How do you go to school? By bike.
How does Jane go to school? By bus.
五、动词第三人称单数形式的练习
A、写出下列动词的第三人称单数。
drink ________ go _______ stay ________ make ________ have_______ pass_______ carry come________ plant_______ fly ________ study_______ brush________ look _________ teach_______ watch______
B、用括号内动词的适当形式填空。
1.He often ________(have) dinner at home.
2.We _______ (not watch) TV on Monday.
3.Nick _______ (not go) to the zoo on Sunday.
4.______ they ________(like) the World Cup?
5._______ your parents _______(read) newspapers every day?
6.The girl _______(teach) us English on Sundays.
7.She and I ________(take) a walk together every evening.
8.Mike _______(like) cooking.
9.They _______(have) the same hobby.
10.My aunt _______(look) after her baby carefully.
11.You always _______(do) your homework well.
12.She _______(go) to school from Monday to Friday.
13.Liu Tao _______(do) not like PE.
14.The child often _______(watch) TV in the evening.
15.Su Hai and Su Yang _______(have) eight lessons this term.
16. Mike’s sister ________ (cook) nice food. I _______ (like) eating it very much.
17._______ (do) your father_______ (watch) TV in the evening?
No, he_______ (not).
18.Tom usually_______ (play) football after school
19. He _______ (live) in a small town near Nanjing.
20.I ______ (go ) to school by bus, and he ______(go) to school by bike.
C、选出正确的答案：
1. She (like / likes) to play football.
2. He (like / likes) drinking milk.
3. I (like / likes) to watch TV.
4. We (like / likes) to play badminton.