need to do的否定为什么不可以是 need not to do否定在不定式?

need to do的否定为什么不可以是 need not to do否定在不定式? 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的否定形式 动词不定式的否定是加not,那want to do?还有have to do,need to do? need to do sth的否定形式是什么? I need to do some shopping on my way home from holidayi need do some shopping...可以么,为什么必须是NEED TO DO 呢 need sb to do,need如果变成情态动词,need sb to do 是否要变成need sb do?这是个句型吗?有人说可以这样搭配,有人说不可以,有无need sb do的形式? 求Do you need to wear a coat there?的否定回答 是No,I don't.还是 No,I needn't.我认为应该是前者,因为这里的need是实意动词啊.或者是不是两个都可以. would you not to do sth.否定为什么不可以用don't代替not? need是情态动词 need do结构 为什么还有need to do 是need do 还是 need to do 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 be supposed to do的否定为什么? 为什么ask sb to do sth的否定形式是ask sb not to do sth但 I want to be an actor.的否定形式是I don't want to be an actor不都是动词不定式吗? What we need to do is encourage kids encourage做isWhat we need to do is encourage kidsencourage做is的表语为什么不加to 怎么判断need后加to do 或是do?两者的否定如何变形? 关于英语I need to get some money to pay for summer camp为什么用to get ,need作情态动词不是后面可以带do的么to get 还有个选项是get