have been seeing /have been seen/ have seen的用法.以及I was saw 和I saw的用法请说清楚过去时和完成时的用法.

11.I think they are dating.They ____a lot of each other recently.A .had seen B.had been seeing C.have seen D.have been seeing .___Have you heard from Janet recently?___No, but I ___ her over Christmas. A. saw B. will be seeing C. have seen D. have been seeing have been seeing /have been seen/ have seen的用法.以及I was saw 和I saw的用法请说清楚过去时和完成时的用法. Many a boy and many a girl___it since thenA have seenB has seenC has been seeing D had seen I have no relish for seeing people being whipped.中的being 能不能 改成been?什么语法结构?哥哥姐姐 He is one of the students who（ ）invited to the meeting.A have been B Ha have/has been doing否定形式是“They don't have been seeing each other these days.”是“They haven't been seeing each other these days.”Have you been learning English for ten years?是 No,I have't.还是 No,I don't.是 It is necessary of us __that most of the books have been taken away,he had to have all the__ones.A.Seeing/remained B.To see/remaining C.Seeing/remaining D.To see/remained可以是to 为什么？能说下句意吗？ your daughter ha a been successful in Where are the Greens,may I ask?Well,they to England,They there for nearly a week now.Where are the Greens,may I ask?Well,they to England,They there for nearly a week now.A,have been,have been,B,have been,have gone.C,have gone.have been,D,have gone.ha have been have been have been have been I have been looking forward to seeing you这是现在完成进行时的事态,为什么to后的see要加ing形式. i am sure that he was in the house just now,because i remember_____ him thereA to see B seeing C hangving been seen D to have seen the problems we are looking forward to seeing solved should have been attracted by the govenment这里的solved是什么成分? we have been looking for the boy all the morning but he is nowhere__a.to see b.seeing c.seen d.to be seen