文档介绍：舟楫英语课堂
不定式作主语 as
the subject
['s?bd?ikt]
动
词

精通句子结构
非谓语动词（一）
不定式短语 + 谓语
To know oneself is difficult. / It's difficult to know oneself. 了解自己很困难。
动词
To go to school on foot every day takes me half an hour. / It takes me half an hour to go to school on foot every day.
我每天步行上学花费半个小时。
To read this book through will require time and patience. / It will require time and patience to read this book through.
读完这本书需要时间与耐心。
It's + 形容
It's + 形容词（附表 1） + of 逻辑
It's very nice of you to be so considerate. 你太好了想得这么周到。
(可改写为： ) You are nice to be so considerate.
词 + for/of+ 逻辑主
主语 + 不定式短语
It's unwise of them to turn down the 。
They are unwise to turn down the proposal.
语 + 不定式短语
It's + 形容词（附表 2） + for 逻辑
It's not easy for you to get him to change his mind.
你要说服他改变主意是不容易的。
（It 作形式主语）
主语 + 不定式短语
It's impossible for him to give up smoking. 要他戒烟是不可能的。
It's + 名词 + for +逻
It is a great honor for us to be present at this rally. 我们来参加这个大会是很荣幸的。
rally ['r? li] n.
集会 patience ['pei ??ns] n. 耐心 , 忍耐 , 毅力
辑主语 + 不定式短
It will be a mistake for us not to help him.
我们不帮助他们将是一个错误。
require [ri'kwai ?] v. 要求 , 需要 proposal [pr ?'p?uz?l] n. 求婚 , 建议 , 提议
语
It is a pleasure（ for me ） to work with you.
和你一起工作真是件乐事。
不定式作宾语 as
不 the object ['?bd?