小学英语语法之时态精讲:一般现在时
2016-08-17来源:易贤网

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。

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。

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.

特殊疑问句: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.

特殊疑问句:疑问词+一般疑问句。如:How does your father go to work?

小结:

通常用时间状语 “usually, often, every day, sometimes”。

肯定句:

I go to school on foot every day.

She goes to school on foot every day.

一般疑问句:

Do you jump high? Yes, I do. / No, I don’t.

Does he jump high? Yes, he does. / No, he doesn’t.

否定句: We don’t go to school on Sundays.

My mother doesn’t like watching TV in the evening.

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