为什么是What were you doing,是过去式为什么要用doing,不是what were you do

为什么是What were you doing,是过去式为什么要用doing,不是what were you do what were you doing 为什么是were不是what What were you do? 为什么是Do you want to know what I do?而不是what am do? Do you remember what were you doing 还是Do you remember what you were doing 急 What _______（did were)you do yesterday? 为什么是Do you know what is the matter what you were doing与what were you doing 差别what you were doing原句Do you remember what you were doing?是初二的知识, 英语翻译Do you remember what you were doing what would you do if you were omnipotent?RT do you remember what you were doing翻译 Do you remember what you were doing的翻译 what would you do if you were chairman of china? What would you do if you were Li Ming? What would you do if you were in his place? I will pay you back for what you didi怎么理解这个did.两道题,求一一解答What you did为什么是did,不是的do或者别的还有were you out?这个句子语法上对吗如果恢复到正常语序不久变成 you were out,这还能翻译 what do you usually do on the evening of Halloween?为什么是on 而不是in . Do you remember ______ when I met you yesterday?A.what were you doing B.what you were doingC.what you did D.what did you do