It句型:主语+动词+it+形容词或名词+不定式短语 此句型中,it 作形式宾语,常用于句型中的动词有find,feel, think, consider, make等。Einstein.who was a Jew, found it impossible to continue living in Germany. 爱因斯坦是一个犹太人,他发现他不可能在德国继续生活下去了。 ①I found it quite pleasant to work with him.我发现和他一起工作很愉快。 ②He feels it his duty to help others.他感到帮助别人是他的责任。 It is hoped that… 人们希望…… It said that … 据说…… It is believed that… 人们相信 It is reported that… 据报道…… It is hoped that our team will win the game.人们希望我们的队赢得比赛。 It is said that the strange old man is a great artist.据说那个怪老头是一位艺术大师。 It is believed that before writing was developed, people in China used to keep records by putting a number of stones together.人们认为,在出现书写以前,中国人常把石块放在一起来记事。 It is reported in the papers that the president of the U.S.A will arrive next Monday.据报纸报道美国总统下星期一抵达。 高中英语单词表3500词必背 英语单词记忆法 高中英语课本 It is/was + adj. + for/of sb.+ to do sth.某人做某事是……. 该句的It 为形式主语,真正的主语是后面的不定式(短语),for/of sb.是不定式的逻辑主语。能用于该句型的形容词常有:(1)important/ unimportant/ necessary/ possible/ impossible/ hard/ difficult/ easy/ useful/ usual/ unusual等。这些形容词的后面常用for来表示不定式的逻辑主语。 ①It’s important(for you)to learn English well.(你们)学好英语很重要。 ②It’s not easy for them to finish the work within three hours.对他们来说3小时内完成这项工作很难。 (2)right/ wrong/ clever/ foolish/ stupid/ nice/ kind/ rude/ polite/ impolite等。这些形容词的后面常用of 介词短语表示不定式的逻辑主语。 ①It’s kind of you to help us.你们帮助我们真是太好了。 ②It’s impolite of a person to interrupt people while they are talking.打断别人谈话的人是不礼貌的。 It takes sb. some time to do sth .做某事花某人时间。其中的It 是形式主语。代替后面的不定式(短语)。 ①It will take us a whole week to travel through the forest. 穿过这片森林得用我们一整周时间。 ②It took them 3 days to finish the work.干完这项工作用了他们3天时间。 It’s time for sth . 该是做……的时候 如: It’s time for lunch .该吃午饭了。 It’s time (for sb) to do sth . 如: It’s time (for us )to go to school.(我们)该上学了。 也可用如下说法: The time has come for lunch. The time has come for us to go to school. 注意:在It’s time ……句式中time 前可加 high, about 等修饰词,用法不变。其后跟that 从句时要用虚拟语气。如: It’s (high)time we got up. It’s about time (that) he knew the truth. 大约是他知道真相的时候了。(that可省略) |
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