havebeento是什么时态

havebeento是什么时态
have been to是现在完成时态。

have：vt. 有; 持有; 占有; 由…组成; 显示出，带有(性质、特征)。

been：v. 曾经; 曾经到过(某地)。

to：prep. 到; 向; 往(某方向或某处); 位于…方向; 到达(某处)。

扩展资料
Staff have been retrained to use the new technology.
为使员工学会运用新技术，对他们进行了再培训。

Several computer engineers have been contracted to the finance department.
有几位计算机工程师与财务部门签订了合同。

I must have been insane to agree to the idea.
我肯定是犯傻了，居然同意了这个想法。

Six theatre companies have been selected to take part in this year's festival.
已选定六个剧团参加今年的`戏剧节。

A number of people have been employed to deal with the backlog of work.
已雇来一些人处理积压的工作。