动词的单复数

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单复数,动词

动词的单复数

第三人称单数做主语时,一般在动词词尾加S。第一人称,第二人称单数和复数做主语时,动词用原型。比如:

The cat makes friend with the dog. I go to school alone. 猫和狗做朋友。 我一个人去上学。 做一做:圈出括号中的正确的单词完成句子。 1. Two cats ( play, plays) on the stairs. 2. A girl (see, sees) a tree. 3. They (eat, eats)some friut.

助动词

助动词是语法功能词,自身没有意义,不可单独使用,它协助实义动词构成谓语动词。

实义动词的一般现在时的否定句和疑问句借助于助动词dodoes来构成, 否定句中:当主语时第三人称单数时,就用does来帮助,后接动词原形。 He has a knife.-------He doesnt have a knife.

当主语时第一,二人称或是第三人称复数时,就用do 来帮助。 They like apples.--------They dont like apples. dodoes构成的疑问句句式为: 1. 一般疑问句的句式:

Do + I /We/ You/ They + 动词原形.. Does + he /she/ it + 动词原形. 回答语: Yes , I /We/ You/ They do. No, I /We/ You/ They dont. Yes, he /she/ it does. No, he /she/ it doesnt.

如:------Do they any eggs?---- Yes, they do. 2. 特殊疑问句的句式:

特殊疑问词(如: What/ Where/ When.+ 一般疑问句? Where does she live? ( 她住在哪里?)


练习题:

一.e.g My sister likes apples, but he doesnt like pears. ×

1. She_____ ______, but she ______ ______ ______.

2. He______ ______, but she _______ ______ ______. 3.Candy ______ ______,but she______ ______ _______.

4._____ Mr. Zhang______ _______?

No, he ______. But he _______ ______. 5.______ your best friend ______ _______?

No, he ______. But he _______ _______. 二.根据提示做出回答。

1.Do you like cats?(作肯定回答) Yes, ________________.

2.Does your mother like kangroos? (作否定回答) No, ________________. 3.I like chips.( I She) ______ ________ chips.

4.He likes rabbits and dogs. ( She I) ______ ________ rabbits and dogs.

5.Candy does her homework every day. (改为否定句) Linda ______ ______ her homework every day.










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