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1、 It be that强调句型的用法强调句型是英语中常用句子结构，又是高考中的常见考点，其基本结构为：It + be+ 被强调部分that句子其余部分。现将其用法归纳如下 :1. 强调句型中，能够被强调的句子成分通常为主语、状语、宾语等，不能用来强调谓语动词、表语、补语、让步状语、条件状语等。例如 It was in the park that I met my old teacher yesterday. (强调地点状语)It is Mr. Smith that thinks Tom is a clever boy. （强调主语）2 强调句型中，连接词一般用 that，如被强调的部分是人，也
2、可用 who/whom，其他一律用 that，不能用 which, where, when 等，即使被强调的是物、时间状语或地点状语。例如 It was at the gate that we met the inspectors this morning.It is our head-teacher that/ who/whom we often turn to for help.3 强调结构中，无论被强调的是人还是物，单数还是复数，be 动词一律用单数is/was 形式，如果原句的谓语动词是一般过去时，就用 was; 是一般现在时，就用 is。也可以用情态动词be形式。例如 It was
3、the farmers that lived a hard life before liberation.It might be yesterday that John bought a book for Mary. 强调句型也有疑问句形式，包括一般疑问句、特殊疑问句和反意疑问句。一般疑问句的强调形式，只需将 is/ was 提前，移至句首即可，即：Is/ Was it that 。特殊疑问句的强调形式，须将陈述句变成一般疑问句，再在句首加上疑问词，即：疑问词（被强调部分）is/was + it + that + 句子其余部分。例如 Was it last year that the buil
4、ding was completed？Where was it that you met your English teacher？It was the day before yesterday that you lost the money, wasnt it？. not until结构在强调句型中的运用：until 引导的时间状语从句，也可以用在强调句型中，但主要是其否定形式，如用在强调句型中，必须将 not 前移，写成 It is/was not until that 。例如 It was not until the class began that he came in.It was
5、not until last Friday that he finished reading the book. 当强调的是主语时，其谓语动词应和被强调的人和物保持人称、数的一致。如果被强调的主语是人称代词，宜用主格，间或也可用宾格。例如 It is I who am going to attend the meeting.It was I/me who cleaned the classroom.7. 强调句型最容易与定语从句、主语从句和状语从句一起考查，应是学习和复习的重点。一般说来，如果把句子中的 It is/ was that 去掉，稍加调整语序，能还原成完整句子，并且句子意思依然完整
6、，则为强调句型；否则，应为其他句式。例如 It was a small house that I used to live in. (定语从句)It was at the school gate that I met an old friend of mine.（强调句型）下面我们针对 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
7、 at the railway station yesterday.强调地点状语：It was at the railway station that I met Li Ming yesterday.强调时间状语：It was yesterday that I met Li Ming at the railway station.练习：1. It was about 600 years ago _ the first clock with a face and an hour hand was made.A. that B. until C. before D. when2. Its the
8、ability to do the job _ matters, not just where you come from or what you are.A. one B. that C. what D. it3. It was only when I reread the poems recently _ I began to appreciate their beauty.A. until B. that C. then D. so4. It was not until 1920 _ regular radio broadcast began.A. While B. which C. t
9、hat D. since5. It was not _ she took off her dark glass _ I realized she was a famous film star.A. when; that B. until; that C. until; when D. when; then6._was in 1979_ I graduated from the university.A. Thatthat B. It .that C. That .when D. It when7.It was_ he said_ disappointed me.A. whatthat B. t
10、hatthat C. whatwhat D. thatwhat8. Was _ that I saw last night at the concert ？A. it you B. not you C. you D. that yourself9. Wasnt it Dr. Wang who spoke to you just now？_.A. I didnt know he was B. Yes, it was C. No , he wasnt D. Yes, he did 10. What was the party like？Wonderful . Its years _ I enjoy
11、ed myself so much.A. after B. before C. when D. sincekey1-5ABBCB6-10 BAABDIt be that强调句型的用法当需要强调句中的主语、宾语、状语时，我们常用“It is(was) 被强调部分 that(who)”这种句型，使用此句型时，应注意以下几点。 1.一般情况用 It is(was)that如：He read three books in the library yesterday.我们分别可以强调主语、宾语、地点状语和时间状语。如：It was he who(that)read three books in the
12、library yesterday.(强调主语)It was three books that he read in the library yesterday.(强调宾语)It was in the library that he read three books yesterday.(强调时间状语)2.当被强调部分指人时，可用 that，也可用 who；指物时，只用 what,如：It was Tom who(that)I met last week.It is a new boke that his brother wants to buy.3.强调状语时，只用 that,不用 when
13、、where. 如：It is at 5 oclock that the train will arrive.4.被强调的部分是主语时，注意句子的谓语动词和被强调的主语保持一致。如：It is he who is late. It is they that were late.5.一般疑问句的强调句为“Is (was) it that?”；特殊疑问句为： “特殊疑问词 is (was) that?”结构。如： Was it ten years ago that his father died?（他的父亲是十年前去世 的吗？）When is it that you will set off?（你到底什么时候出发？）6.“notuntil”句型的强调结构为“ It is not untilthat”应注意把否定词 not 转移到 until 前面。如：I didnt go home until rain stopped.(直到雨停了我才回家)。强调句为：It was not until rain stopped that I went home. I didnt know the news until yesterday.(直到昨天我才知道那个消息 )强调句为：It was not until yesterday that I knew the news.
