Question

29英语为什么不用dont need to

Answer 1

还是举例子说吧,清楚点~

need做情态动词,need do sth/ needn't do sth:

You need clean the classroom/You needn't wash the dishes.

need做实意动词,need to do sth/ don't need to do sth:

You need to sweep the floor/ You don't need to finish your home work today.