动词不定式用法大全
动词不定式是一种非谓语动词形式,由"to"加上动词原形构成。它具有名词、形容词和副词的性质,可以在句子中担任多种语法角色。以下是一些常见的动词不定式用法:
1. 作主语:To sing is my hobby.(唱歌是我的爱好。)To help others is important.(帮助他人很重要。)
2. 作宾语:I want to learn English.(我想学英语。)She decided to take a vacation.(她决定休假。)
3. 作介词的宾语:He is afraid to speak in public.(他害怕在公众面前讲话。)She is good at dancing.(她擅长跳舞。)
4. 作状语:He went to the store to buy some groceries.(他去商店买些食品杂货。)I study hard to pass the exam.(我努力学习以通过考试。)
5. 与情态动词连用:I can swim.(我会游泳。)She must finish her homework.(她必须完成作业。)
6. 作目的状语从句:I came here to see you.(我来这里是为了见你。)He stayed up late to finish the project.(他熬夜完成这个项目。)
7. 作结果状语从句:He studied hard, only to fail the exam.(他努力学习,结果考试没通过。)She saved money for months, only to have it stolen.(她攒了几个月的钱,结果被偷了。)
8. 作被动的主语补语:His dream is to become a pilot.(他的梦想是成为一名飞行员。)My goal is to travel the world.(我的目标是周游世界。)
9. 作条件状语从句:To succeed, you need to work hard.(要成功,你需要努力工作。)To be healthy, you should eat well and exercise regularly.(要保持健康,你应该饮食均衡并定期锻炼。)
10. 作定语:I have a book to read.(我有一本书要读。)He needs a pen to write with.(他需要一支笔来写字。)
动词不定式介绍
动词不定式是一种非谓语动词形式,由"to"加上动词原形构成。它在句子中可以担任名词、形容词和副词的角色,并具有多种用法。
作为名词:
1. 作主语:
To travel is my dream.(旅行是我的梦想。)
To learn a new language requires patience.(学习一门新语言需要耐心。)
2. 作宾语:
I want to visit Paris.(我想游览巴黎。)
She loves to swim.(她喜欢游泳。)
3. 作介词的宾语:
He is good at playing the guitar.(他擅长弹吉他。)
She is interested in learning Chinese.(她对学习中文感兴趣。)
作为形容词:
1. 修饰名词:
She bought a book to read.(她买了一本书来阅读。)
He needs a pen to write with.(他需要一支笔来写字。)
2. 修饰人或物:
This is a difficult job to do.(这是一项困难的工作。)
He is a kind person to talk to.(他是一个值得交谈的善良人。)
作为副词:
1. 修饰动词:
He opened the door to let in fresh air.(他打开门让新鲜空气进来。)
She studies hard to pass the exam.(她努力学习以通过考试。)
2. 表示目的或结果:
He ran fast to catch the train.(他跑得很快,为了赶火车。)
She worked hard to succeed.(她努力工作以取得成功。)