高考英语第一轮语法复习五:强调句、It的用法、省略和插入语(含答案)
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1、 语法复习五:强调句、It 的用法、省略和插入语一、强调句(一)强调句句型1、陈述句的强调句型:It is/ was + 被强调部分(通常是主语、宾语或状语)+ that/ who(当强调主语且主语指人) + 其它部分。e.g. It was yesterday that he met Li Ping.2、一般疑问句的强调句型:同上,只是把 is/ was 提到 it 前面。e.g. Was it yesterday that he met Li Ping?3、特殊疑问句的强调句型:被强调部分(通常是疑问代词或疑问副词)+ is/ was + it + that/ who + 其它部分?e.g
2、. When and where was it that you were born?4、强调句例句:针对 I met Li Ming at the railway station yesterday.句子进行强调。强调主语:It was I that (who) met Li Ming at the railway station yesterday. 强调宾语:It was Li Ming that I met at the railway station yesterday.强调地点状语:It was at the railway station that I met Li Ming y
3、esterday.强调时间状语:It was yesterday that I met Li Ming at the railway station.5、注意:构成强调句的 it 本身没有词义;强调句中的连接词一般只用 that, who,即使在强调时间状语和地点状语时也如此,that, who 不可省略;强调句中的时态只用两种,一般现在时和一般过去时。原句谓语动词是一般过去时、过去完成时和过去进行时,用 It was ,其余的时态用 It is 。(二)not until 句型的强调句1、句型为:It is/ was not until + 被强调部分 + that + 其它部分e.g. 普
4、通句:He didnt go to bed until/ till his wife came back.强调句:It was not until his wife came back that he went to bed.2、注意:此句型只用 until,不用 till。但如果不是强调句型, till, until 可通用;因为句型中 It is/ was not 已经是否定句了,that 后面的从句要用肯定句,切勿再用否定句了。(三)谓语动词的强调1、It is/ was that 结构不能强调谓语,如果需要强调谓语时,用助动词 do/ does 或did。e.g. Do sit dow
5、n. 务必请坐。He did write to you last week. 上周他确实给你写了信。Do be careful when you cross the street. 过马路时,务必(千万)要小心啊!2、注意:此种强调只用 do/ does 和 did ,没有别的形式;过去时用 did ,后面的谓语动词用原形。二、It 的用法(一)作人称代词1、it 代替前面(或后面)的单数名词或分句等所表示的事物。e.g. You cannot eat your cake but have it.(it 代替前面的 cake)Although we cannot see it, there i
6、s air all around us. (it 代替后面的 air)They say he has left town, but I dont believe it. ( it 代替前面 Theytown 分句中的情况)2、代替有生命但不能或不必分阴阳性的东西(包括婴儿) 。e.g. Yesterday we saw a big tree. It was fully twenty metres high. (it 代替前面的 tree)The baby cried because it was hungry. (it 代替前面的 baby)3、在某些习惯说法中,可以代替人。e.g. - So
7、meone is knocking at the door, Peter. - Who is it? - Its me.- Who are singing? - It is the children.- The light is still on in the lab. It must be the third-year students doing the experiment.4、it 与 one 的区别:这两个词都可以代表前面说过的名词,但 it 用于同名同物的场合;one 则用于同名异物的场合。e.g. - Do you still have the bicycle? - No, I
8、have sold it.- Is this knife yours? - No. It is Xiao Zhangs. Mine is the one on the desk.5、it 与 that 的区别:两词都可代替某一特定名词,但 that 指同一类,并非同一个。e.g. The climate of South China is mild(温和的); I like it very much.(it 指 the climate of South China)The climate of South China is much better than that of Japan.(tha
9、t 指 the climate)(二)作无人称代词it 作无人称代词时,除了句中找不到它所代表的词语外,另一个特点是它后面的内容都是表示天气、时间、距离、度量衡及情况等。It is fine (rainy, windy, etc.).It is noon.It is a half hours walk to the factory.It is eighteen square metres in area.What does it matter?(三)作强调词,构成强调结构用以帮助改变句子结构,使句子的某一成分受到强调。 “It is (was) + 所强调的成分 + that (who) +
10、其它成分。 ”在这个句型中,it 本身没有词义。详见“一、强调句” 。(四)引导词 it 作形式主语(宾语)为了使句子平衡,常采用形式主语(或宾语)it ,而把真正的主语(或宾语)置于句子后面。通常引导词 it 与它所代替的句子成分中间要夹有某些词。e.g. It takes half an hour to go there on foot.(It 与 to go there on foot 之间夹有 takes half an hour 四个词)We thought it strange that Mr Smith did not come last night. (it 与 that 从句
11、中间夹有 strange)但有时 it 与所替代部分之间并不夹有其它词。e.g. You may depend on it that they will support you.(因为介词 on 之后一般不直接接 that 引导的宾语从句。注意:it 不是多余的,不能当作错句)练习一、强调句、It 的用法1. My bike is missing. I cant find _ anywhere.A. one B. ones C. it D. that 2. - Whos that? - _ Professor Li.A. Thats B. Its C. Hes D. Thiss3. _ was
12、 Jane that I saw in the library this morning.A. It B. He C. She D. That4. - Have you ever seen a whale alive? - Yes, Ive seen _.A. that B. it C. such D. one5. The color of my coat is different from _ of yours.A. this B. that C. it D. one6. _ will do you good to do some exercise every morning.A. It B
13、. There C. Those D. You7. We think _ our duty to pay taxes to our government.A. that B. this C. its D. it8. The climate of Shanghai is better than _ of Nanjing.A. that B. it C. which D. what9. _ four years since I joined the Army.A. There was B. There is C. It was D. It is10. How long _ to finish th
14、e work?A. youll take B. youll take it C. will it take you D. will take you11. It was through Xiao Li _ I got to know Xiao Wang.A. who B. whom C. how D. that12. It was in the rice fields _ we had our league meeting.A. where B. that C. in which D. on which13. It was on October 1st _ new China was foun
15、ded.A. which B. when C. as D. that14. Was it because he was ill _ he asked for leave?A. and B. that C. thats D. so15. Mary speaks in a low voice; _ is difficult to know what she is saying.A. it B. that C. so D. she16. It was _ I met Mr Green in Shanghai.A. many years that B. many years before C. man
16、y years ago that D. many years when17. _ is not everybody _ can draw so well.A. It, all B. It, that C. There, who D. There, that18. So _ that no fish can live in it.A. shallow is the lake B. the lake is shallow C. shallow the lake is D. is the lake shallow三、省略为了使讲话和行文简洁,句中某些成分有时可省略。省略可分以下几种情况:(一)简单句
17、中的省略1、省略主语:祈使句中主语通常省略。其它省略主语多限于少数现成的说法。e.g. (I) Thank you for your help.(括号内为省略的词语,下同)(I) see you tomorrow. (It) Doesnt matter.2、省略主谓语或主谓语的一部分。e.g. (There is) No smoking. (Is there) Anything wrong? Why (do you) not say hello to him?3、省略作宾语的不定式短语,只保留 to。e.g. - Are you going there? - Id like to (go th
18、ere).He did not give me the chance, though he had promised to (give me the chance).注意:如果该宾语是 be 动词或完成时态,则须在 to 之后加上 be 或 have。e.g. - Are you an engineer? - No, but I want to be.- He hasnt finished the task yet. - Well, he ought to have.4、省略表语。e.g. - Are you thirsty? - Yes, I am (thirsty).5、同时省略几个成分。
19、e.g. Lets meet at the same place as (we met) yesterday.- Have you finished your work? - (I have) Not (finished my work) yet.(二)并列句中的省略两个并列分句中,后一个分句常省略与前一分句中相同的部分。e.g. My father is a doctor and my mother (is) a nurse.I study at college and my sister (studies) at high school.(三)主从复合句中的省略1、主句中有一些成分被省略。
20、e.g. (Im) Sorry to hear that you are ill.(It is a) Pity that he missed such a good chance.2、省略了一个从句或从句的一部分,用 so 或 not(切不可用 it 或 that)代替。e.g. - Is he coming back tonight? - I think so.- Is he feeling better today? - Im afraid not.这种用法常见的有 :How so? Why so? Is that so? I hope so. He said so 及 I suppose
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