不定式简单地说就是:to+动词原形。因为动词是原形,没有被限定,所以叫不定式。 否定形式,顾名思义啊,在to前面加not就可以。 给你举个例子:She asks him to play outside. "to play"就是不定式 She asks him not to play outside. "not to play"就是不定式的否定形式 当然真要深究你随便搜下资料就一大堆。追问
那是不是没有don't to 啊
追答
don't 、doesn't什么的是对一个单个的动词作否定,比如I don't like swimming.什么的。 有些如I don't want to .... I don't like to...否定形式就在前面 但是一般来说都是在to前面加个not 就可以。 举个例子:生存还是死亡这是个问题。(很经典吧- -)To be or not to be, that is the question.