when did you bring it to us这句话不是一般过去时吗?那为什么bring不变成brought.就是变过去式

Did you bring when did you bring it to us前面did后面为何不变成brought过去式 when did you bring it to us为什么用did 不用were?when were you brought it to us when you bring to car your did the garage连词成句 When did you leave? When did you coneback? when did you live in I'm afraid out. where did you go when I am upset I don't get your postcard.When did you ____it? what did you bring him是什么意思 Did not bring you happiness翻译中文? Did you bring b_ anything from Dalian? Bring you up when you're feeling when did you bring it to us这句话不是一般过去时吗?那为什么bring不变成brought.就是变过去式 A:You forgot your purse when you went out.B:Good heavens,( ).A.so did I B.so I did C.I did so D.I so did A:when did you see Jack?B:I saw him when I ( ) off the train (get) I ___ tell you to bring your homework but you still forgot.A.did B.does C.do D.am 求翻译：When did you send it?WHen i supposed received it?Happy to received it,