高中英语 It构成的句型小结 教学案 牛津版必修3

泰兴四中高一英语一体化教学案 It 构成的句型小结一、It 作形式主语的句型为使句子平衡，往往把 it 置于句首作形式主语，而把真正的主语（通常是不定式短语、动名词短语或主语从句）移至句末。It 作形式主语的句型有： 一、 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Just a minute, it won't take me long to change.等一下,我很快就可以换好衣服。It took me more than a year to learn to draw a beautiful horse in five minutes.我花了一年多时间才学会在 5 分钟内画出一匹好看的马来。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。It takes time for them to prepare for the great changes that take place in space.他们需要很多时间准备应付太空中所发生的巨大变化。 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 not right for the south to break away from the union.南方脱离联邦是不对的。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。What time would it be most convenient for me to call again?什么时候我再给你打电话最合适？It’s very good of you to have listened to me.感谢你能听我讲。It’s very thoughtful and kind of you to offer me...