时态种类
| 一般式 | 进行时 | 完成时 | 完成进行时 | |
|---|---|---|---|---|
| 现在 | do | is/am/are doing | have/has done | have/has been doing |
| 过去 | did | was/were doing | had done | had been done |
| 将来 | have/has been doing | will/shall be dong | will/shall have done | will/shall have been doing |
| 过去将来 | would/should do | would be dong | would have done | would have been doing |
1、展示关联动作发生的先后顺序的六种时态
- had done
- did(过去的基本形式)
- have done
- do(现在的基本形式)
- will do(将来的基本形式)
- will have done
2、be doing :拉长动作，延绵持续，表持续性动作
- had done >> had been doing
- did >> was/were doing
- have done >> have/has been doing
- do >> is/am/are doing
- will do >> will be doing
- will have done >> will have been doing
3、被动形式
- had done >> had been done
- did >> was/were done
- have done >> have/has been done
- do >> is/am/are done
- will do >> will be done
- will have done >> will have been done
4、长被动形式
- had done >> had been being done
- did >> was/were being done
- have done >> have/has been being done
- do >> is/am/are being done
- will do >> will be being done
- will have done >> will have been being done
5、eg
-
在我参加这次面试前，我在A公司工作了十年
-
Before I took(take) this interview , I had(have) been working for A company for 10 years.
-
该产品明年投入市场，并从后年起持续在电视上做广告
-
The product will be launched in the market next year. And will have been being advertised on TV since the year after the next.
6、碎碎念
right now >> do
before now >> have done
after now >> will do
since now >> will do
by 1990 >> had done
客观事实用一般现在时