动词不定式由“to+动词原形”构成,在句中相当于名词、形容词、副词等的作用,可以充当主语、宾语、表语、定语、状语或补足语等成分,同时也保留了动词的一些特征,可以带宾语或状语。它是高中英语的一个重要语法项目,现就其要点和考点作分析归纳。 Verb infinitives are composed of “to+ verb primitives”. In sentences, they act as nouns, adjectives, adverbs, etc. They can serve as subjects, objects, expressions, attributives, adverbials, or complements, and also retain verbs. Some of the features can take objects or adverbials. It is an important grammar item for high school English. Now it analyzes its points and test points.