动词不定式(todo)是初中英语课本中的一个重点,也是中考必考查的一个项目。动词不定式是由“to+动词原形”构成(有时可以不带to)。其否定形式是“not+动词不定式”(not不与助动词连用)。它属于一种非谓语动词的形式,在句子中不能充当谓语,没有人称和数的变化,但它可以保留动词的性质,其本身可以带宾语或状语等附加成分(不定式和其附加成分称为不定式短语)。动词不定式(短语)的句法功能非常广泛,在句中可 The todo is an important text in junior high school English textbooks and one of the items that the middle school exams must examine. The infinitive is composed of “to + verb prototype ” (sometimes without to). Its negative form is “not + infinitive ” (not not used with the auxiliary verb). It belongs to the form of a non-predicate verb, which can not act as a predicate in a sentence without any change in person’s number. However, it retains the nature of a verb, which can itself carry additional components such as infinitives and adverbials Is an infinitive phrase). The infinitive (phrase) verb function is very extensive, in the sentence can