want to的否定是don't want to,而decide +not to do?不都是动词不定式吗?

want to的否定是don't want to,而decide +not to do?不都是动词不定式吗? too full to eat,want to go out to play,no plac,and don't wan 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? 是I really don't want you to know.还是 I don't really want you to know?请解释下相关语法.在肯定句和否定句中,副词的位置有没有什么不同? 难道你认为我不想吗?英语怎么说don't u think i don't want to?do u think i don't want to?don't u think i want to?这三个句子哪个是这个意思,就算另两个不是,是不是压根就没有第二个的说法（否定必须前置? 难道你认为我不想吗?英语怎么说don't u think i don't want to?do u think i don't want to?don't u think i want to?这三个句子哪个是这个意思,就算另两个不是,是不是压根就没有第二个的说法（否定必须前置? must的否定?must的否定是need't还是don't have to? don't want to I don't want to cooking与I don't want to cook哪个是对的?怎样区分它们? 情态动词have to的否定形式是don`t have to还是haven`t to? 不定式的否定形式want sb to do的否定形式为don't want sb to do tell sb to do的的否定形式为tell sb not to do 我想知道若果把不定时变为否定形式其否定词是加在什么地方 是谓语动词前 还是to do前? 英语问题 急!满意多多积分送上I want to buy a new dictionary.(改为否定句),如何改?我看别人的回答是 I don't want to buy a new dictionary.但是我有点糊涂了,want to do 是动词不定式啊 否定 应该是 want not t 1.want sb to do sth 否定形式?2.help sb do sth 的否定形式又 是什么?3.好像动词不定式否定 是 在不定式之前加not,构成not to do sth.如：tell sb not to do sth但 want to do sth 就是直接用 don't want to do sth 怎么回 以must 开头的疑问句,否定回答是 needn't,don't have to可以吗? 这个不定式,怎么来否定?例：Tell / ask sb (not) to do sth.1.上面的这种不定式情况,是在不定式to do 前加 not 否定,那 want to do sth 也是不定式 否定的时候为什么直接是 don't want to do sth.直接用 助动词 I don't want here any more出自哪首歌歌曲名是I don't want to I don't want to I don`t want to