have - been什麼時態

時態是完成時態。

例句：

The marshes have been drained. 

沼澤地裏的水已排幹。

Your trip must have been fun! 

你這次旅行一定很開心吧！ 擴展資料

Things have been going badly.

事情進展得不順利。

How could I have been so stupid?

我怎麼會這麼傻

You could have been killed!

你本可能被殺了。