when did play 为什么是被动语态when was the play founded was能不能改为did founded是什么

when did play 为什么是被动语态when was the play founded was能不能改为did founded是什么 When did you come play when did they grow vegetable 被动句 when did you first play piano? when did the play put on when did your father buy you the mobile phone 换为被动语态 when（ ）the mobile phone when（ ）you?when （ ）you 是隔开的,要两句 When did they build the house?改被动 When did they invent the plane?改为被动语态. When did he invent the telephone?变被动语态 when did they make the model plane改被动句 When did he clean the window?怎样改为被动语态 when did Karl Benz invent the car变成被动语句 When did she cook supper yesterday?改为被动语态 When did you buy your mobile phone改为被动语态 把When did they finish the homework?改为被动句 When ___you___football?—Last Sunday A.do play B.did play C .did play...When ___you___football?—Last Sunday A.do play B.did play C .did play 选哪个?对不起。C是did played When did you learn _____(play) the guitar? when did you first play a computer game