非谓语动词是高中英语语法中的重要部分，是高考的必考项目。非谓语动词包括动词不定式、分词(现在分词、过去分词)、动名词，在句子中可以作除谓语以外的其他成分。非谓语动词常考考点主要有动词不定式的功能、现在分词和过去分词的用法区别及非谓语动词的时态、语态、省略等。该项内容考查考生在具体语言环境中理解句子结构和分析句子成分的能力。
1．不定式的用法
Xiao Ming wants to become① a basketball star and his dream is to play② basketball in the NBA.But he has so much homework to do③.In order to have④ more time to play③ basketball，Xiao Ming decides to study① hard to get④ a high score.He really hopes that his father will allow him to play⑤ basketball every day.To make his dream come true⑥ is not easy.
[规则感悟] 动词的不定式形式在句子中作什么成分：
①作宾语 ②作表语 ③作定语 ④作状语 ⑤作宾补 ⑥作主语
