we need to water the flowers every day(改为否定句）3种we______ ______ _______ water the flowers every day.we______ ______ water the flowers every.we______ ______ _______ water the flowers every day.
问题描述：
we need to water the flowers every day(改为否定句）3种
we______ ______ _______ water the flowers every day.
we______ ______ water the flowers every.
we______ ______ _______ water the flowers every day.
答
need not to.needn't to.don't need to.因为need可以做情态动词也可以作实义动词。当need做情态动词时在后面加not构成否定，当为实义动词时在前面加don't构成否定。
答
1.We (don't) (need) (to) water the flowers every day.(need作实义动词）
2.We (need) (not) water the flowers every day.（need作情态动词）
3.We (don't) (have) (to) water the flowers every day.（用have to改）