英语时态是英语语法中的第一首难关，攻下此难关是作文、阅读、口语之关键。汉语用不同词表达相应时态，而英语用同一词的不同变化形式表达时态。
一、 英语各种时态构成表：以play为例：
| | 一般时态 | 进行时态 | 完成时态 | 完成进行时态 |
| 现在 | play | is | has | has |
| | plays | am playing | have played | have been playing |
| | | are | | |
| 过去 | played | was | had played | had been playing |
| | | were playing | | |
| 将来 | shall | shall | shall | shall |
| | will play | will be playing | will have played | will have been playing |
| 过去 | should | should | should | should |
| 将来 | would play | would be playing | would have played | would have been playing |
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