16种谓语动词时态相关知识讲解
1.变动第一个动词的形式
4种现在时态的第一个动词采用原形或者现在式：
现在一般时：
work
现在进行时：
am working
is working
are working
现在完成时：
have worked
has worked
现在完成进行时：
have been working
has been working
4种过去时态的第一个动词是过去式：
过去一般时：
worked
过去进行时：
was working
were working
过去完成时：
had worked
过去完成进行时：
had been working
2.在4种时态结构前加will或者would
4种将来时态都是4种结构前加will或者would：
将来一般时：
will work
将来进行时：
will be working
将来完成时：
will have worked
将来完成进行时：
will have been working
4种过去将来时态都是4种结构前加would或者should：
过去将来一般时：
would work
过去将来进行时：
would be working
过去将来完成时：
would have worked
过去将来完成进行时：
would have been working
要点：只需要记熟4种基本结构，就能迅速推出16种时态结构形式。
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