need to do的否定形式

need to do的否定形式 need to do sth的否定形式是什么? 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的否定回答need否定形式还有does not need to 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 need to do的否定为什么不可以是 need not to do否定在不定式? want to do的否定形式是什么? decide to do 的否定形式 need to be done否定形式 do的否定形式 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, 求need+n 的肯定句和否定句、need+to do 的肯定句和否定句、need doing 的肯定句和否定句 want sb to do sth.的否定形式到底是什么？ sb used to do sth.它的否定形式是什么? dare to do sth的否定形式是什么 enough to do sth的否定形式是什么? allow sb to do sth 的否定形式