㈠ it 代指不定式短语的句型
1. It takes + (sb.) + sometime / some money + to do sth.
做某事花去某人多长时间
It took me three days to prepare for the examination. 我花了三天准备那次考试。
It takes a lot of money to buy a house like that. 买那样一幢房子需要很多钱。
2. It takes + 名词 + (for sb.) to do sth. 某人做某事需要
It took great imagination as well as patience for Annie to teach me to speak.
对安妮来说,教我说话需要极大的信心和想象力。
3. It is + 形容词 + (for / of sb.) to do sth. 某人做某事是 的
常用于该句型的形容词比较多。for sb. 的句型 常用于表示事物的特征特点,表示客观形式的形容词,如easy, difficult, hard, important, possible, impossible, comfortable, necessary, better等。of sb的句型一般用表示人物的性格,品德,表示主观感情或态度的形容词,如kind, nice, stupid, rude, clever, foolish, thoughtful, thoughtless, brave, considerate(考虑周到的), silly, selfish(自私的) 等。
It was kind of you to help us.谢谢你对我们的帮助。
It is getting harder every day for a lazy man to get a living.懒汉谋生是越来越困难了。
4. It is + 名词 + to do sth. 做某事是 的
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