Would have意思

"Would have" is a modal verb construction used to discuss actions that did not happen in the past. It is used to talk about actions that were possible or likely to happen but did not occur because of a specific reason or condition. It is a form of the past tense of "will" and is used in sentences with a past tense form of a verb.

Here are some examples of how "would have" is used:

1. If I had known you were coming, I would have prepared a better meal. (I didn't know, so I didn't prepare a better meal.)
2. She said she would have helped us if we had asked. (We didn't ask, so she didn't help us.)
3. They would have won the game if they had practiced more. (They didn't practice enough, so they didn't win.)

In each of these examples, "would have" is used to talk about actions that did not happen because of a specific condition or reason. It is used to speculate about what could have happened under different circumstances.