needn't do sth与don't need to do可以通用吗?
needn't do sth与don't need to do可以通用吗?
need to do sth,need do sth.needn`t do sth和don`t need有什么不同!
don't have to do sth 是否等于don't need to do sth 和needn't do st
don't need to do 与needn't do 有什么区别?
有I don‘t need to do这种形式吗或者是I needn't do形式?
needn't to come,don't need come,don't need coming与needn't co
they needn′t to do sth 还是 they needn′t do sth?
"don't need to" 与 "don't have to"、"needn't" 的意义相同吗
什么是实意动词need 有两种形式1.need to do sth.否定:don't need to do sth.2.
needn,t .do 是不是等于don,t need to do 一个是情态动词 一个时实义动词
don't need to 和needn't
didn't need to do 与needn't have done 的区别和相同点