do you need to do… 和need you do…?怎么区分?如何判断疑问词用do还是need?

do you need to do… 和need you do…?怎么区分?如何判断疑问词用do还是need? 是you need do what you should do 还是you need to do what you sh you need more pracitce 这里的practice是动词还是名词.need to do 和 need Do you need to do homework?why? what do you need What do you need? need反意疑问怎么判断用do还是need need的用法?need to do还是need do? do you need to anything 为什么用do need to do 还是need doing ... You _____ go to see a doctor 用need not还是用do not need need to do ,need doing