非谓语动词 非谓语动词 非谓语动词：也就是不能用作 谓语的动词。 包括 动词不定式 V_ing 过去分词 动词原形 一.动词不定式 肯定式： to +动词原形 1、构成 否定式： not to +动词原形 2、动词不定式的常见用法 A、不定式作 主语 （1）To learn English well is not easy. （2）To protect our environment is very important 当不定式作主语时，习惯上用作it形式主语，而将动词不定式后置，构成固定句型。 It’s +adj +to do sth. （1）It’s not easy to learn English well. （2）It’s important to protect our environment. B、不定式作宾语 （1）I hope to be a doctor. （2）She can’t afford to buy a camera. 常见的只能跟to不定式的动词及短语。 想要want wish 希望 hope希望 决定decide 学会learn 计划plan 迫不及待can’t wait 想要would like 准备get ready 负担不起can’t afford Wang Tao hopes to be a scientist in the future and wishes to visit the moon by himself. He would like to collect pictures about the moon very much, so he learns to search the Internet and wants to get more Information . Then he plans to buy a computer, but he can’t afford to buy one. Now he can’t wait to look for a job and decides to work hard at it. At the same time he get ready to make his dream come true.