do,did与is,was提问j时的区别是什么?

do,did与is,was提问j时的区别是什么? how was your weekend?与what did you do last weekend?的区别 Is/Are supposed to do 与Was/Were supposed to do 的区别是什么?具体用法? do did does was的用法什么情况下用did do does was来提问?感觉DODE 和 DID 差不多 it is high time that +should do 与it is high time that +did的区别?怎么有些时候后面加did 而不是should do呢? do、does、did与be动词的用法区别. was、were与did用法的区别was/were/did在句子中使用是有什么区别? did do和dose do的区别 Did she do some reading yesterday和was she doing somereading yesterday的区别 DO .IS ...过去式是Did...was...还是Did...is...DO .IS ...过去式是Did...was...还是Did...is..举个例,方便理解 be动词和助动词的用法区别Where （ ）you last Sunday?A.did B.were C.do如上面列题,我总是搞不清楚到底是用助动词（did,do,does）,还是用be动词（am,is,are,was,were）.我一个同学说有动词时用助动词,可是 What would you do与 What do you do 的区别 提问 用did提问和用was/were提问有什么区别? DO .IS ...过去式是Did.was.还是Did.is.?举个例，方便理解 do did does doing 的区别 do does did will的区别 how did 和how do的区别 what did you do 和 what you did 的区别