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。

【No.2】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.

非凡疑问句：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.

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

wash

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?