decide to do 的否定形式

decide to do 的否定形式 need to do的否定形式 want to do的否定形式是什么? do的否定形式 want to的否定是don't want to,而decide +not to do?不都是动词不定式吗? decide/decide to do sth/decide on sth/decide doing sth/decision/decide that的用法详细,.. I decide to do my homework.否定句I don't decide to do my homework.还是I decide not to do my homework. want sb to do sth.的否定形式到底是什么？ need to do sth的否定形式是什么? 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 decide to do 的近义短语 decide to do=? decide to do sth decide的用法decide to do与 decide doing的区别 do的否定形式是什么?