作业帮 > 英语 > 作业

needn't do和 didn't need to do的区别

来源：学生作业帮 编辑：神马作文网作业帮 分类：英语作业 时间：2024/11/16 15:33:42
needn't do和 didn't need to do的区别
The students ______ to school yesterday as the local government announced that all the school classes were to be canceled due to the terrible typhoon.
A didn't need to go B needn't go
但是AB都表示不必做,而且都没有做过.B为什么不对?
needn't do和 didn't need to do的区别
A didn't need 表示“过去不必”
B needn't go 表示“将来不必“
此题中,有时间状语”yesterday“,因此要用过去式,故选A
didn't need to do 与needn't have done 的区别和相同点 Didn't need to do还有 needn't have done的区别 have to,must,do not need,needn't的区别 needn't have done和didn't need to do 有什么不同? Needn't have done 和needn't do的区别! didn`t need to do 和need not to do区别 needn't do 和dont need to do希望得到详细的语法解答! don't need to do 与needn't do 有什么区别? need to do sth,need do sth.needn`t do sth和don`t need有什么不同! needn't needn't have done 和don't need to 的区别 don't have to do sth 是否等于don't need to do sth 和needn't do st needn't和do not need to do有何分别?