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1、一、在英语写作可能使用到的重要句型1）以形式主语 it 引导的有关句型: （1） “It is / was被强调的部分that(who)+剩余的部分.”例如：It wasnt until he came back that I went to bed.“直到他回来我才睡觉 ”(一定要注意被强调句型谓语动词否定的转移及形式)。 It was because he was ill that he didnt come to school today.“只因为他有病了今天没有来上学” （只能用 because 而不能用 for, as 或 since） It is I who am a studen
2、t. “我确实是个学生 ”。（2） “It happened（chanced ）that +clause. = sb. happened /chanced sth. =sb.did sth. by chance.” 例如： It happened that he was out when I got there.“当我到那儿时，碰巧他不在 ”He happened to be out when I got there.= It chanced that he was out when I got there= He was out by chance when I got there. （3）
3、 “It seems that sb. do/ be doing/ have done/ had done= Sb. seems to do/ be doing/ have done/ had done”（还有动词 appear 可这样使用）例如：It seemed that he had been to Beijing before.“好像你以去过北京”He seemed to have been Beijing before. （4） “It is high time (time/ about time) (that) 主语should do / did+其它” （注意从句中的谓语动词用的
4、是虚拟语气） 例如：It is high time that we should go / went home.我们该回家了。 （5） “It is / was said ( reported)that+从句.” 例如：It was said that he had read this novel.“据说他读过这篇小说”He was said to have read this novel. （6） “It is impossible / necessary/ strangethat clause.”(从句中的谓语用 shoulddo / should have done，其形式是虚拟语气)
5、例如：It is strange that he should have failed in this exam.真奇怪，他这次考试没有及格。 （7） “It is + a pity/ a shamethat clause.” (注意从句中的谓语动词用 should do 或 should have done 的形式，但 should 可以省略 ) 例如：He didnt come back until the film ended. It was a pity that he should have missed this film. “他直到电影结束才回来。他没有看到这部电影真可惜”（8）
6、 “It is suggested / ordered/ commanded /that +clause.” (从句的谓语动词用 should do, 但 should 可以省略) 例如： It is suggested that the meeting should be put off.“有人建议推迟会议 ”。（9） “It is/was表示地点的名词where+ 从句” （注意本句不是强调句型，而是以where 引导的定语从句） 例如：It was this house where I was born.请比较：It was in this house that I was born.(
7、后一句是强调句型。) （10） “It is / was +表示时间的名词 when+从句” （注意本句型也不是强调句型，而是以 when 引导的定语从句） 例如：It was 1999 when he came back from the United States. 请比较：It was in 1999 that he came back from the United States. （11） “It is well-known that从句” 例如：It is well-known that she is a learned woman.“众所周知，她是个知识渊博的妇女” 。（12）
8、“It is +段时间since+主语did. ” / “It was +段时间 since+主语had done.” 例如：It is five years since he left here.“他已经离开这儿五年了” 。It was five years since he left here.（同上） （14） “It +谓语段时间before+ 主语谓语” （before 引导的是时间状语从句） 例如：It wasnt long before 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 hou
9、rs before he comes back.“三个小时之后他才能回来”（15） “It is +形容词 for+ sb.+ to do.” 例如：It is impossible for me to finish this work before tomorrow.“我明天之前完成此工作是不可能的”（16） “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) 例如：It is kind of you to help me.You are
10、 kind to help me.“你真好给我提供了帮助”2）定语从句中的有关句型： （1）由 as 引导的非限定性的定语从句。例如：As we have known, he is a most good student.“众所周知，他是个很好的学生”请比较：It is well-known that he is a most good student.（前一个是定语从句，而后者是个主语从句）（2）由 which 引导的非限定性的定语从句。例如：He is a professor, which I have been looking forward to becoming.“他是个教授，那是我
11、一直盼望的职业” （因为先行词 professor 是表示职业的名词，因此引导词用 which，而不用who。 （注意：关于 which 和 as 之间的比较请看语法的定语从句部分。 ） （3）由 where, when 引导的定语从句（其中包括限定性的或非限定性的） 例如：This is the house where I used to come.请比较：This is the house which / that I used to come to. This is the day when I joined the Party.请比较：This is the day which / t
12、hat I joined the Party on. 说明：关于 that 与 which 之间的区别，请看语法中的定语从句。 3）让步状语从句中的有关句型：“No matter what / which / who / where / when / whose从句，主句” （注意从句中的时态一般情况用一般现在时态） 例如：No matter what you do, you must do it well.请比较：Whatever you do, you must do it well. “无论你做什么，一定要做好”No matter where you go, please let me
13、know.请比较：Wherever you go, please let me know.“你无论去哪儿，请通知我 ”说明：这两种句型形式不同，而意义完全相同。注意：I will tell whoever would like to read it.句中的 whoever 不能用 whomever 来代替，因为它既作动词 tell 的宾语，又作后面从句的主语。 4）条件状语从句的有关句型：（1） “When / So long as / As long as / Once +从句，主句” （从句也可以放在主句之后）例如：As long as you give me some money, I
14、will let you go.“只要你给我一些钱，我就让你走”Once you have begun to learn English, you should learn it well. “一旦你开始学习英语，你应该把它学好”（2） “主句on condition that+ 从句” 例如：I will go with you on condition that you give me some money.“我和你一起去的条件是你给我一些钱”（3） “主句unless+从句.”( 注意：由于 unless 本身是否定词，所引导的从句的谓语动词用肯定) 例如：I will go there
15、 tomorrow unless it rains.“我明天去那儿除非下雨”（4） “祈使句，and/ and then+主句” （注意：祈使句也可用一个名词短语） 例如：Use your head, and you will find a good idea.“动脑筋想一想，你就会想出一个好主意”Another word, and I will beat you.“你再说一句，我就揍你”（5） “If +necessary / impossible/ important 等，主句” 例如：If necessary, I will do it. “如果有必要的话，我来做此事。 ”5）原因状语从
16、句的有关句型 （1） “主句in case+从句” （in case 表示以免） 例如：I will take my raincoat in case it rains.我要把雨衣带上以免下雨。 （2） “主句due to / because of / owning to / + the fact that +从句” 例如：He did not come to school because of the fact that he was ill.“由于他有病了，所以没有来上学”6）时间状语从句中的有关句型（1） “When / While / As +从句，主句” （关于它们之间的区别请看语法） 例如：When I was in the country, I used to carry some water for you.“当我在农村时，我常常给你打水”（2） “主句
