It常用句型 用法的专题讲解 课件VIP专享VIP免费

It 常用句型1.I have always been honest and straightforward,and it doesn’t matter_____I’m talking to.A.who is it B. who it isC. it is who D. it is whom2.It won’t be long ____ he comes to our help. A. before B.since C. that D. when It be+adj.+for/of sb.to do sth. It be+adj.+ doing sth. It 作形式主语的结构 It 与强调句型 It 与连词 before/when/since It’s time to do It’s time 结构 It’s time for sth It’s time that It 其他句型It be + adj+ thatIt be + ved+thatIt be + n. + thatIt + vi. + that231It be+adj.+for/of sb.to do sth. 对某人来说，…怎么样动词不定式复合结构It is difficult for me to make a decision.It is foolish of you to cheat in the exam.TIP: 选择什么介词，关键是看形容词说明谁 It is necessary ___ us to master a foreign language.forIt is kind ___ Tom to offer to help me study in Englishofeasy,hard,impossible,possible,important…nice,good,wrong,clever,careful,polite…1It be+adj.+ doing sth. … 怎么样It is no use crying over spilt milk. 覆水难收It’s senseless seeing such a tiring film a second time.再看一次这种电影真没有意义仅有： no good,no use,useless,senseless, worthwhile,waste,dangerous给他提建议是没有用的，他是不会接受的It is no good giving him advice,because he willnot receive it .动名词复合结构2It 作形式主语的结构It is certain that the constant rising of the oil price will affect the development of the world economy.It is said that the president received an anonymousletter yesterday.不断上涨油价肯定会影响国际经济的发展据说总统昨天收到一封匿名信It is no surprise that every coin has two sides.任何事情都是一分为二的，这一点不足为怪adj.p.p.nounTIP:that-clause 才是真正的主语， it 作形式主语It happened that I had seen the film.碰巧我已看过了那部电影vi注意：1.it 作形式主语代替主语从句时，要注意和引导的定语从句有区别据报道，美国遭到恐怖分子...