This case doesn't(/isn't) belong to me!这个箱子不属于我!This case doesn't(/isn't) belong to me! 这个箱子不属于我!问：如果换成括号里的isn't对吗? ,如果不对是为什么呢?.什么情况可以用isn't?

请教This case doesn't belong to me为什么不是This case isn't belong to me 看下这句This case doesn't belong to me为什么不是This case isn't belong to me i doesn't like this colour.改错 This case doesn't belong to me!这句中to起到什么作用? Do与Does的区别?This case doesn't belong to me.This case don't belong to him.Do与Does的区别?This case doesn't belong to me.This case don't belong to him.我知道Does是第三人称单数用的形式,其他形式用do.为什么第一话用的 I love this country,but she doesn't love me. Kate doesn't want to go out i this h____ This machine _______.It hasn’t worked for years.A.didn’t work B.wasn’t working C.isn’t working D.doesn’t work—I’m afraid Mr Wood can’t see you 4 o’clock.—Oh,_____I won’t wait.A.no doubt B.after all C.in that case D.in this way this radio doesn't work this doesn't always happen This case doesn't(/isn't) belong to me!这个箱子不属于我!This case doesn't(/isn't) belong to me! 这个箱子不属于我!问：如果换成括号里的isn't对吗? ,如果不对是为什么呢?.什么情况可以用isn't? I don`t like this film.He doesn`t like it,_. I bought this watch here yesterday,but it ____work.A won't B didn't C doesn't Dwouldn't , __Mary happy today?I don't think so.She __ look happy this morning.A.Is isn't B.does ,doesn't C.is ,doesn't this dance doesn't please,i give it a new heart i can't f____my pencil case. It doesn't matter this time. what doesn't this passage tell