哪个对have she been working fou 1hour?/has she been working fou 1hour做否定回答呢

哪个对have she been working fou 1hour?/has she been working fou 1hour做否定回答呢 sb have been training sb have been trained 哪个对? where have you been 和where have you been to 哪个对?有什么不同? i have been to Shanghai?和i have been Shanghai?哪个对?请详解. have been dead和have been died哪个对完成时的结构不是 have+been+过去分词吗 为什么不是have been died have 和 have been 到底分别改什么时候用i had lived 和i have been lived 到底哪个对? How things have been gotten?还是 How things have gotten?哪个是对的, Have got married for two years与have been married for two years哪个对 I have been collected shells since Isaw her.和I have been collecting shells since I saw her哪个对? 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 she have got lots of books she has got lots of books 哪个对? have been possessing 和 have been having 哪个更合适? ——--,she might have some good idea to solve the problem A.were she here B.if she had been here 选选哪个? I know that it must be my father.过去式应该是...I knew that it must have been my father.I knew that it must be my father.哪个对?我一直都认为第一句must have been 是对的但昨天我看见一句She knew that it must be the baker. She thought that she should have taken Russian She thought that she should take Russian 哪个对?就是这里应该用should have taken 还是 should take She can't have been Danish. and She must have been Swedish. They have been there for three days.与they have gone there for three days.哪个是对的?为什么 things have changed a lot in the town.还是things have been changed a lot.请问哪个对?