Are you finished?句子是什么结构

Are you finished?句子是什么结构 are you finished 你们完成了吗是are you finished 还是 have you finished 还是什么? are you finished packing yet?这里的finished是形容词是么? are you finished watching TV?这句子英文语法对么?谢了,请指教. Are you finished?有这种说法吗? 有这种说法吗?Are you finished? 是Have you finished already?还是Have you already finished? I know you ____a book about history.Have you finished it 是添are writing 还是 has written? Finished?are you sure you are finished?都是啥意思?Finished?are you sure you are finished?you cannot return to the create a Family screen to edit this family again Our fuel is almost finished.意思相同或相近的句子是We are ___ ___ ___our fuel. when you are finished drinking有语病吗? lf you are finished then press submit under mcnu! I'll help you when I _____ my work .A. finished B. will finishC. have finished D. had finished这句答案是选B,请问为什么?我觉得这个句子应该是主将 do you had finished homework yesterday?有这个句子么?do you had finished homework yesterday?有这个句子么?助动词后面跟原形但had+现在分词是过去完成冲突了,怎么变? When you _____ your work,please check it before you hand it in.A.finished B.have finished C.willfinish D.are finished 用句子.are you .用句子.are you .do you 下面句子为什么用的是被动语态was finished而不是过去完成时had been finishedWe are happy to learn that the difficult work was finished through everyone's effort yesterday.