needn't do和don't need to do有啥区别

don't have to do sth 是否等于don't need to do sth 和needn't do sth needn't do和don't need to do有啥区别 needn't和don't need的区别和用法? needn't needn't have done 和don't need to 的区别 needn't 和 don't need 的区别 needn't 和 don't need to 有什么不同? don't need 和needn't 有什么区别啊? don't need 和 needn't 有什么区别? don't need to do 与needn't do 有什么区别?还有needn't 是否只能用于一般现在时? We ________ the room for your party,Amy.A.need cleaned B.needn't to ciean C.don't need to clean选哪个,同时说出原因,needn't to do和don't need to do 有什么区别. don't need,needn't 的区别 don't need 等不等于 needn't You _____ do that,if you don't want to.won't mustn't needn't shouldn't They need some help,________ they?A.don't B.needn't C.do D.need 英语里的实义动词和情态动词怎样区分 不如什么need ：什么时候用needn't to do 和don't need to do needn't和don't need to有什么区别?haven't和 don't have 有needn't和don't need to有什么区别?haven't和 don't have 有什么区别? You ________ it if you don’t have time.A.needn’t to do B.mustn’t do C.don’t have to do need to do sth,need do sth.needn`t do sth和don`t need有什么不同!need to do sth,need do sth.needn`t do sth和don`t need有什么不同,我们今天刚学,但是我没听懂,好象是说哪个是情态动词哪个是动词!但是,它们的用法