一般现在时
一般现在时
一般现在时基本用法介绍
【No. 1】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.我天天六点起床。
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。
2.行为动词：主语 行为动词( 其它)。如：
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?
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? 8. The girl _______(teach) us English on Sundays. 9. She and I ________(take) a walk together every evening. 10. There ________(be) some water in the bottle. 11. Mike _______(like) cooking. 12. They _______(have) the same hobby. 13. My aunt _______(look) after her baby carefully. 14. You always _______(do) your homework well. 15. I _______(be) ill. I’m staying in bed. 16. She _______(go) to school from Monday to Friday. 17. Liu Tao _______(do) not like PE. 18. The child often _______(watch) TV in the evening. 19. Su Hai and Su Yang _______(have) eight lessons this term. 20. －What day _______(be) it today? － It’s Saturday
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