一般现在时、现在进行时、一般将来时、一般过去时知识点总结.doc

一般现在时、一般将来时、一般过去时、现在进行时知识总结
一般现在时
一般现在时表示经常性或****惯性的动作,常与表示频度的时间状语连用,如often, usually, always, sometimes, never, seldom, every week/day/year/month..., once a week, on Sundays等。动词用原形。当主语为第三人称单数时(he, she, it, 一个人名) ,动词变为三单形式。
肯定句
否定句
一般疑问句
特殊疑问句
Be动词
主语+am/is/are+其它
I am a boy.
主语+am/is/are not+其它
I am not a boy.
Am/is/are+主语+其它
Are you a boy?
Yes, I am.
No, I am not.
疑问词(where/what/
when/who/why/how)+am/is/are+主语+其它
Where are you?
行为动词
第一人称I、第二人称you、
复数
主语+动词原形(+其它)。We play basketball after school everyday.
主语+ don't+动词原形(+其它)。we don’t play basketball after school everyday.
Do +主语+动词原形+其它?
Do you play basketball after school everyday?   
Yes, we do. / No, we don't.
疑问词+ do +主语+动词原形+其它?
What do you do after school everyday?
第三人称单数
主语+动词三单式(+其它)。
He swims well.
主语+ doesn’t+动词原形(+其它)。
He doesn’t swim well.
Does +主语+动词原形+其它。
Does he swim well ?
Yes, he does. / No, he doesn't.
疑问词+ does +主语+动词原形+其它。
How does your father go to work?
第三人称单数的动词变化规则:
(只有在第三人称(he, she, it, 一个人名)为主语的肯定句中,动词才用三单式)
(1)一般情况下,直接加s runs gets likes
(2)结尾是s, x, sh, ch, o,前为辅音字母,结尾加es watches, goes, washes, crosses, mixes, does
(3)动词末尾y,前为辅音,将y改为i加es study→studies fly→flies
但在y前如果为元音则直接加s buys says plays
(4)不规则变形 have—has
二、一般将来时
一般将来时表示将来发生的事。常与tomorrow, next day/week/month/year..., soon, in a few minutes, the day after tomorrow, in the future等时间状语连用。
Will/shall +动