高中基本句型.docVIP

*It (so) happened（chanced） that +clause. = sb. happened /chanced to do sth. = sb.did sth. by chance.： 当我到那儿时，碰巧他不在 *It seems that sb. do/ be doing/ have done/ had done= Sb. seems to do/ be doing/ have done/to be done/to have been done（还有动词appear等可这样使用）如: 他好象以前去过北京。 *It is / was＋被强调的部分＋that(who)+剩余的部分.如： 只有学会了给予我们才能体会索取的价值。(一定要注意被强调句型中的谓语动词否定的转移)。 It was because he was ill that he didnt come to school today.（只能用because而不能用for, as 或since） It is I who ___(be)a student. 我确实是个学生。 *It is high time (time/ about time)+ (that) 主语＋should do / did+其它。（从句中的谓语动词用的是虚拟语气。） It is high time that we____(go) home.我们该回家了。 *It is / was said ( reported…)＋that+从句. 如： It was said that he had read this novel.＝He was said to have read this novel. 每个人都知道阅读对我们有好处 *It is impossible / necessary/ strange…that clause.(从句中的谓语用should＋do / should have done，其形式是虚拟语气。) It is strange that he should have failed in this exam.真奇怪，他这次考试没有及格。 *It is + a pity/ a shame…that clause.(注意从句中的谓语动词用should do或should have done的形式) He didnt come back until the film ended. It was a pity that he should have missed this film. *It is suggested / ordered/ commanded /…that +clause.(从句的谓语动词用should do, 但should可以省略。)如： It is suggested that the meeting should be put off.有人建议推迟会议。 *It is well-known that＋从句。如： 众所周知，长城是著名的历史遗迹，吸引了众多国内外的游客。 *It is +段时间＋_____+主语＋did. 请比较： *It was +段时间＋______+主语＋had done. 如： It is five years _____ he left here. It was five years _____ he had left here. *It +谓语＋段时间＋_____+主语＋谓语. It wasnt long ______ the people in that country rose up.没有多久那个国家的人民就起义了。 It will be three hours______he comes back.三个小时之后他才能回来。 *It is +形容词(possible, impossible, necessary等) ＋____+ sb.+ to do. It is impossible ____me to finish this work before tomorrow.我明天之前完成此工作是不可能的。 . *It is +（心理品质方面的）形容词＋of____+ sb. +to do.= 主语+ be +形容词＋to do.(常用的形容词有：kind, stupid; foolish, good, wise等。) It is kind of_____you to help me.＝You are kind to help me. *由as引导的非限定性的定语从句。如： _____ we have kn