跪求be sure to come earlier next time的否定形式哪个高手说下阿!怎么答案都不一样啊？？
问题描述：
跪求be sure to come earlier next time的否定形式
哪个高手说下阿!
怎么答案都不一样啊？？
答
Be sure not to come earlier next time
答
Do not come earlier next time.
答
be not sure to come earlier next time
be sure to come later next time
答
is/am/are not sure to come earlier next time