这里不定式的时态问题have to be built 什么时态啊（这里应该也有被动语气吧）和have been buil

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/05/01 15:40:54

这里不定式的时态问题
have to be built 什么时态啊（这里应该也有被动语气吧）
和have been built的区别

have to be built是被动语态,其主动语态为：have to do.
动词不定式的被动式：to be done
have been built是被动语态的现在完成时,表示已经被建成．
eg.The tall buildings have been built.那些高楼已经建成了．
而have to be built是不得不被建的意思．
have to do不得不做...

这里不定式的时态问题have to be built 什么时态啊（这里应该也有被动语气吧）和have been buil to have been pulled down,不定式的被动完成时态和having been pulled down I have sth. to eat.这里不定式用的是主动.The building to be built will have been的时态. I have been to shanghai 什么时态关于时态的问题have been have been to是什么时态? 英语翻译1.我以为这个有折扣、I thought it has (这里have 用什么时态啊?） discount2.你 The sick have been sent to hospital 这里加be是不是被动? who are you going to have(type)this lette for you?不理解这里的时态 have been to这里的have 这里have been是延续性动词吗?have been to后能跟for和si have been是什么时态?