我想问：weren't you；were you；didn't you ；did you的意思和区别,再问：这些词分别应该用在怎样的情况下

我想问：weren't you；were you；didn't you ；did you的意思和区别,再问：这些词分别应该用在怎样的情况下 翻译：you were studying in class,weren`t you? did you?didn't you?weren't you?were you?这些词写在句子最后分别是什么意思 You used to be quiet aren't you-You used to be really quiet ,didn't you?-Yeah,I wasn't very outgoing.-No,you weren't .But you were always friendly.大家翻译下这段对话,you weren't were they young yes ,they were./no,they weren't . 英语翻译是：Why were you not at home yesterday?还是：Why weren't you at home yesterday?还是二者皆可? You were invited to that party,weren't you?So I was,I__it1.have forgotten2.had forgotten3.forgets You never told us why you were late for the party,　　A.weren’t you B.didn’t you C.had you DD.DID YOU Bob,you played the gameGrowingandstealingon the Internet last night,（ A.weren't you B.didn't you C.were you D.did you tom told me that you were going to take a trip to africa,__?A wouldn't youB didin,t heC weren't youD didin.t you I thought you weren't in Beijing.和I didn't think you were in Beijing.有什么区别?Thank you for your help. they weren't old then .they were young. were weren't was called的一般现在时形式 were的否定形式可以写成weren`t（初中英语） You never told us why you were late for the party,（ ） 　　A.weren't you B.didn't you C.haYou never told us why you were late for the party,（ ） 　　A.weren't you B.didn't you C.had you D.did you主句是You never told us?句中否定看的 weren't Weren't （ ）you at home last night? No,I ( )A;Are am not B:Was weren'tC:Were wasn't哪些人称代词用were,哪些用was?