为什么没有have been being a teacher的用法?现在完成时和现在完成进行时的区别,在我理解无非是一个动作是否会持续下去而已像是,I've been painting the wall for 3 days 隐含的意思就是还没有完成,还要

have been还是have been being? 【have been being 】or【have been being 】I have _____(be) a teacher in a high school in the rural area since I was twenty years old.填have been being还是 have been being?有have been being这种用法吗?如果没有,那现在完成进行时 The employee you have been thinking highly___dishonest. 为什么填of proves,不填of being proved all that can be eaten_____eaten upA.are being B.has been C.had been D.have been 为什么?为什么用三单的形式？ i have been being into you .此句有没有语法错误.i have been being into you .此句有没有语法错误.可不可以这样写?现在完成进行时.有的话怎么改 she regrets having been idle when youngA.to have B.to her being C.having been D.to her having been选哪个,为什么?求详解 we have been invited to attend the party后面用holding还是 being held为什么?感激不尽〜 I have been afraid of being alone since my father (died)为什么这里是died 而不是death 独立主格结构That being my first visit to it,I didn't know where I should go first.being为什么不能换成to have been 有have been being done和have being done吗?是什么时态? 英语问题12 He claimed to have been...He claimed 【to have been badly treated】 in the supermarket when he was doing shopping yesterday.to have been badly treated 为什么不能用being badly treated.两者的区别? have you ever been to HK和I HAVE been there for 3 years为什么一个有to一个没有 The Vikings are generally considered__the first Europeans to reach America.A to be B.to have been C.being D.having been为什么? The bank is reported in the local newsparer__in broad daylight yesterday.A) being robbed B) to have been robbed C) having been robbed D) robbed为什么选B Dinosaurs have been extinct from the earth,never__again A.seen B.being seen C.to be seenD.having been seen为什么选C being done,have been done和having done怎么分辨 having being done 和have been done 有什么区别 Have treasure ,the even been bersieged being able