小学阶段的一般现在时
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一般现在时基本用法介绍
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。
注意：（我用am，你用are，三单is，复数are。）
2.行为动词：主语+行为动词(+其它)。如：We study English.我们学习英语。
注意：（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。）一般现在时的变化：1. be动词的变化。
肯定句：主语+be+其它。如：He is a worker. 他是工人。
否定句：主语+ be + not +其它。 He is not a worker.他不是工人。
一般疑问句：Be +主语+其它。(be动词移到句首)
如：I am a student.
-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：My bike is under the tree.
Is your bike under the tree?
Where is your bike?
2.行为动词的变化。
肯定句：主语+动词原形(+其它)。
否定句：主语+ don't( doesn't ) +动词原形(+其它)。
如：I like bread.
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 ofter plays football.
He doesn't often play football.
一般疑问句：Do( Does ) +主语+动词原形+其它。（句首加助动词do, does）
如：I often play football.
- 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：She goes to school by bike.
- Does she go to school by bike?
- Yes, she does. / No, she doesn't.
特殊疑问句：疑问词+一般疑问句。
如：She goes to school by bike.
Does she go to school by bike?
How does she go to school?
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am, is, are 填空
1. I ______ a boy. ______ you a boy? No, I _____ not.
2. The girl______ Jack's sister.
3. The dog _______ tall and fat.
4. The man with big eyes _______ a teacher.
5. ______ your brother in the classroom?
6. Where _____ your mother? She ______ at home.
7. How _______ your father?
8. Mike and Liu Tao ______ at school.
9. Whose dress ______ this?
10. Whose socks ______ they?
11. That ______ my red skirt.
12. Who ______ I?
13.The jeans ______ on the desk.
14.Here ______ a scarf for you.
15. Here ______ some sweaters for you.
16. The black gloves ______ for Su Yang.
17. This pair of gloves ______ for Yang Ling.
18. The two cups of milk _____ for me.
19. Some tea ______ in the glass.
20. Gao Shan's shirt _______ over there.
21. My sister's name ______Nancy.
22. This ______ not Wang Fang's pencil.
23. ______ David and Helen from England?
24. There ______ a girl in the room.
25. There ______ some apples on the tree.
26. _______ there any kites in the classroom?
27. _______ there any apple juice in the bottle?