专题13 初中英语语法公式（13）重点句型（2）关于it的句型.docx

1、初中英语语法公式重点句型（2）关于it的句型公式01 Its+adj.+for sb.+to do sth. 对或人来讲做某事如何样如：It is dangerous for children to play in the street. 孩子们在街上玩是很危险得。公式02 Its time for sth. 是干某事得时候了Its time(for sb.)to do sth.该干某事了。Its time for the meeting. 该休会了。Its time for us to go to school. 我们该上学了。公式03 It takes sb. some time to d

2、o sth. 做某事花或人一些时候sb. spend some time/money on sth./(in)doing sth.或人花时候(金钱)在某事上/花时候(金钱)干某事。sth. cost sb. some money 某事花或人一些钱。pay some money for sth.为某事(物)付钱。 It took me two hours to write the letter. 写这封信花了我两小时得时候。 He spends half an hour(in)reading English every morning.他天天早上花半小时读英语。 He spends one ho

3、ur on the housework every day. 他天天花一小时做家务。 The bike cost me 500 yuan. 这辆自行车花了我500元。 I spent 500 yuan on the bike. 我买这辆自行车花了500元。 I paid 500 yuan for the bike. 我花了500元买这辆自行车。主要提醒：cost主语是物；spend, pay主语是人。例 中it用作形式主语，动词不定式为真正主语。公式04 It + be/get+形容词/名词/介词短语 it用作非人称代词时，常表示天气、日期、时间、距离、温度等。 It gets colder

4、and colder.天气变得越来越冷。公式05It + be +被强调部分+that.构成强调句，强调句子的主语、宾语、状语。被强调部分指人时，that可以换成who，其他情况一律用that。 It was not until I came here that I realized this place was famous for not only its beauty but also its weather.直到我来到了这里我才意识到这个地方不仅以美景闻名，而且它的天气也很有名。公式06 It+be+形容词(+for sb.)+to do sth. It is very importa

5、nt for us to master the skills of computers.对于我们来说，掌握计算机技能是非常重要的。公式07 It+be+no use/no good+doing sth.意为“做是没用的”，动名词是真正的主语，it是形式主语。 It is no good turning to him. He is always indifferent towards others matters.向他求助没用，他对别人的事总是漠不关心。公式08 It+be+过去分词+that从句 It is required in the regulations that you should

6、 not tell other people the password of your e-mail account.按照规定你不能把自己电子邮箱的密码告诉别人。公式09 It+be+名词+不定式/that从句 it作形式主语，后面的不定式或that从句是句子的真正主语。 It is an honour for me to be invited to speak here.我很荣幸应邀在这里讲话。公式10 It+be+形容词+that从句 It is obvious that he doesnt know how to repair a car.很明显，他不知道怎样修理汽车。公式11 It+某

7、些动词+that从句常用于该公式的动词有appear，seem，happen等。 It appears that all the files have been deleted.所有的档案好像都已经被删除了。公式12 It+be+(high) time.主语连系 Now it is time for me to study hard.现在是我努力学习的时候了。公式13 It+is/has been+时间段+since.主语连系 It is three months since they completed the great project.他们完成这项大工程已经3个月了。公式14 It+was/will be+时间段+before.意为“过多长时间才；还要多长时间才”。 It was several minutes before we realized what was happening.几分钟后我们才明白发生了什么事情。