初中英语语法大全:动词的时态概述
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初中英语语法大全:动词的时态概述
动词的时态概述
1.时态是一种语法范畴,是用以表示各种时间和动作方面的动词形式。
谓语动词的时态决定了整句的时态。
时间有四个主要部分,即现在,过去,将来和过去将来。动作方面也有四种,即一般,完成,进行和完成进行。将这些时间与动作方面组合在一起,即构成16种时态。如下:
现在: 一般现在时I work
现在完成时I have worked
现在进行时I am working
现在完成进行时I have been working
过去: 一般过去时I worked
过去完成时I had worked
过去进行时I was working
过去完成进行时I had been working
将来时态: 一般将来I shall work
将来完成I shall have worked
将来进行I shall be working
将来完成进行I shall have been working
过去将来: 一般过去将来I should work
过去将来完成I should have worked 过去将来进行I should be working
过去将来完成I should have been working 了解常见的动词时态的用法:
时态名称句型结构(以sing为例)常用时间状语
一般现在时主语+ sing
sings(第三人称单数)
be= am/is/are In the morning/afternoon/ Evening;
Every day/week/year;
Sometimes, often,
usually, always;等
一般过去时主语+sang (过去式)
be=was/were Yesterday, last week;
Two years ago; in 1980;等
现在进行时主语+am
is +singing现在分词
are Now
These days、years等
过去进行时主语+ was +singing
were At 5:00 last Monday;
This time yesterday等
现在完成时主语+have +sung过去分词
has Ever;never;already;
Yet;for+一段时间等
现在完成进行时主语+have +been singing
has Since last year;for ten month;
All the time等
过去完成时主语+had done 过去分词过去终止点的时间常用by,before 等介词或一个时间状语从句;或用as soon as 引导的一个过去时态的从句。
一般将来时主语+shall
will
am/is/are +going to sing Tomorrow;the day after tomorrow;in five minutes
In the future等
过去将来时主语+should
would
was/were going to sing The next year 等(往往用语宾语从句中)