动词不定式的用法 课件 2024届高考英语语法一轮复习

非谓语动词系列之一 动词不定式 Pick out the infinitives in the sentences and tell their functions. He pretended to be reading attentively when I came in. It is of great help for us to learn English well. I didn’t expect Mary to invite me to her birthday party. She listens to news every day so as to find out what’s going on. The car to be bought is for his sisters. The important thing in life is to have a great aim, and the determination to attain it. ( 宾语） ( 主语） ( 宾补） ( 状语） ( 定语） ( 表语/定语） 不定式可作主、宾、表、定、状、补语。起名词，形容词和副词的作用。 归纳 不定式 知识梳理 形式 主动式 被动式 与谓语动作的关系 一般式 to do to be done 动作发生在谓语动作之后 进行式 to be doing / 与谓语动作同时发生 完成式 to have done to have been done 动作发生在谓语动作之前 to do/to be doing/to have done 1. Li Lei pretended to do his homework. 2. Li Lei pretended to be doing his homework. 3. Li Lei pretended to have done his homework. 4. The library was said to have been set up. 使用动词不定式的几种情况 1. 根据规定动词(作宾语) 1. Li Ying expects to major in biology at university. 2. Nobody managed to pass the exam. 3. I think it hard to chat with Tom. hope, wish, desire, expect, demand, require, request, ask, decide, determine, plan, manage, fail, pretend, promise, refuse, arrange, offer, prepare, hate, prefer, choose, tend, intend 2. 根据规定动词（作宾补） 1. He didn’t allow me to go there. 2. My parents wished us to celebrate the Spring Festival together with them. wish, want, expect, ask, allow, permit, forbid, advise, beg, cause, encourage, force, get, hate, invite, order, warn, remind, promise, persuade, request 3. 根据前后结构（作主语） 1. It is beneficial to do regular excise. 2. To see is to believe. 4. 根据前后结构（作表语） 1. It turned out to be a rumor. 2. To see is to believe. 3. He seemed to be interested in the story. 5. 根据逻辑关系（作状语） 1. To pass the exam, Tom works hard at the subjects. 2. Tom works hard at the subjects to pass the exam. 3. I hurried to the station, only to find the train had left. 2. Cars are cheap to buy but expensive to use. ( 目的） (目的） ( 结果） ( 条件） 5. 根据逻辑关系（作状语） 1. He is too young to work out