这周语法课，动词时态笔记。
Verb tense refers to when an action happened. 时间。
- Past - has happened in the past
- 例：I lived in China.
- Present - is happening now
- 例：I live in St. Louis.
- Future - will happen in the future
- 例：I will live in Las Vegas when I retire.
Tense also determines if an action continues for a time. 状态
- Perfect: action is completely done or finished. 完成状态 In other words, whatever the action is or was, it is completed when the perfect tense is used.
- Progressive: action is happening now and will continue into the future. 连续状态
- Perfect progressive: action was completed, but it continued over a period of time or has some effect on the present or future. 完成连续状态
时间和状态组合成时态tenses。
|
例句 |
Simple |
Perfect |
Progressive |
Perfect progressive |
| Past | I danced yesterday. | I had written a book last month. | Jack was flying yesterday. | I had been talking all day yesterday. |
| Present | I dance. | I have written a book. | I am flying today. | I have been talking all day, and my throat hurts. |
| Future | I will dance tomorrow. | I will have written a book by Tuesday. | Jill will be flying tomorrow. | I will have been talking all day tomorrow. |
| Past Future | I said on Thursday that I should see my friend next month. | He said that he would have written a book by last month. | I told kids that we would be flying to France next summer. | He told me that he would have been talking for three days. |
