Translation of "Might've" in Chinese

- Tom may have left already.
- Tom might've left already.

汤姆可能已经走了。

- You might have heard of it.
- You might've heard of it.

你可能听说过。

- You may have heard of that.
- You might've heard of it.

你可能听说过。

- I might have forgotten my keys.
- I might've forgotten my keys.

我可能把钥匙忘了。

- Tom might've missed the last train.
- Tom may have missed the last train.

汤姆可能错过了最后一班列车。