need to do sth 的两种否定形式有什么区别?怎样区分和应用?

need to do sth 的两种否定形式有什么区别?怎样区分和应用? need to do sth的否定形式是什么? need to do sth 和need do sth的区别 need to do sth 和 need doing sth的区别? need sth to do need的否定形式可以是need need to do sth为啥在否定形式时不可以呢?need doing sth在否定形式时怎样才能判断need to do sth与need doing sth?例题：1.He does not need________(do) too much homework.2.You need to eat more veg need的否定形式可以是need need to do sth为啥在否定形式时不可以呢?need doing sth在否定形式时怎样才能判断need to do sth与need doing sth?例题：1.He does not need________(do) too much homework.2.You need to eat more veg 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.need do sth.否定：needn't do sth.这是否与实意动词和情态动词有关呢?请展开来说（详细一点）如果好的, need to do的否定形式 need sth to do sth 咋造句? need to do sth 和need do sth列句 need to do的否定为什么不可以是 need not to do否定在不定式? must to do sth 和 have to do sth和need to 的用法急 英语几个短语的区别need to do sth 和need doing sth 的区别 need to do sth和need doing sth的用法、意思和区别是什么? need to do sth和need doing sth 的区别同题 need to do、need do、need doing、neeed to be done的区别need to do sth need do sth need doing sth neeed to be done 有什么区别, need sb to do sth的sb要是宾格吗?