have been taken .i can't find the recorder in the room,it must_____(take) by someone else.分析；答案have been taken.过去被动.问题是有个have,我知道有一种形式是加have的,但我记不起来了.大家提醒下.

He felt it a great honor____to visit me when I was in his cityA to have been taken B to have taken C being taken D having taken －What have you been doing recently?- I ___ a trip to Australia and have just retured.A.took B.have taken C.had taken D.have been taken You haven`t taken the medicine.It __before dinner.A should have been taken B is taken C has been taken D should have taken Great changes------in shenzhen. A. have been taken B. have been taken place C. have been takenD.have taken 选哪一个?把语法、知识点告诉我! the wounded ___ by the hospital.A.have been taken in B.has been taken in C.have taken in D.has taken in I cannot find my book, someone____it. A.have taken B.was taken C.has taken Some photos____by African children.A.are taken B.were taken C.have been taken 为什么选B?原因? Great changes ___ place in Hebei since 1980.A.have taken B.had been taken C.had takenD.have been taken Great changes__place in China since 1978.A.have been taken B.have taken C.has been taken D.took可为什么不用被动语态呢? 12.Great changes place in China since 1978 .A.have been taken B.have taken C.has been taken D.took 选哪个, I have taken Great changes?the last three years.A.have taken place B.have been taken place C.have happenedD.have been happened This medicine ____ before dinner.A should be teaken B should have been taken C should take D have taken Great changes__in my hometown.A.have happened B.have taken place C.have been taken place D.were taken place现在完成时的结构是什么 have been taken place 与have taken place的区别 i heard the accident___at midnight.A.taken place B.happened.C.been taken place.D.been happened i heard the accident___at midnight.A.taken place B.happened.C.been taken place.D.been happened The black and white images ___ during the summer of 1953 have been restored and published.A.was taken B.to be taken C.being taken D.taken