havebeengone是什么时态

gone 可像形容词一样用在 be 之后，表示某人离开了，或某物不见了，或用光了。

Shes been gone for three hours --- what do you think shes doing ? 她去了有三个小时了 --- 你觉得她在干什么？

You can go out shopping, but don\'t be gone too long. 你可以去买东西，但时间不要太久。

When I came back my car was gone. 我回来时，我的汽车不见了。

Is the butter all gone ? 黄油都吃光了吗？

That you have been gone.

你已经一去不复返了。

My parents have been gone to Shanghai.

我的父母已去了上海。