高考英语专题-it句型总结.doc
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1、IT句型总结一、 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: 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. I
2、t 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,
3、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、4. It is + 名词 + to do sth. 做某事是 的常用于该句型的名词有:manners, duty, fun, good, a great honour等。It is our duty to pay taxes to our government. 向政府交税是我们的义务。5. It is + ones turn + to do sth. 轮到某人做某事It is his turn to take the children to school.今天该轮到他送孩子们上学了。6. It is + up to sb. + to do sth. 做某事是某人的责任或义务Its up t
5、o us to give them all the help we can.我们理应竭尽所能地给予他们帮助。 it 代指动名词短语的句型7. It is + 名词 + doing sth. 做某事是 用于该句型的名词有:no good, no use, hard work, a nuisance, a waste of time, a great honour等。Its no use/good (in) crying over spilt/spilled milk.事已至此,后悔也无用。(牛奶已泼,哭也没用。)It was a nuisance having to wait for such
6、a long time.要等这样久真烦人。8. It is + 形容词 + doing sth. 做某事真 用于该句型的形容词有:pleasant, useless, senseless, worthwhile, dangerous等。It was pleasant meeting you in London that day.那天在伦敦见到你真高兴。 it 代指名词性从句的句型9. It + be + 名词 + that从句用于该句型中的名词有:a pity, a shame, a fact, an honour, a wonder, a good thing, good news, no
7、wonder等。惯用句型有:It is common knowledge that 是常识It is a surprise that 令人惊奇的是It is a fact that 事实是It is no wonder that 难怪 It is a pity that she has made such a mistake.真遗憾,她犯了这样一个错误。It is no wonder that he has passed the examination.难怪他考试及格了。It was a stupid thing that he didnt listen to his teacher.他不听老
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