强调句型讲解及练习(共6页).doc
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1、精选优质文档-倾情为你奉上阅读讲义 二强调句型一、定义 一般可用强调句型“It is (was) +that (who) +句子的其余部分”。1、强调主语时,that或who后面的谓语动词的形式仍然取决于原句中的主语; be的变化只有is和was两种形式,如果要表示现在时将来时的其它各种形式时, 就用It is, 表达过去时的各种形式时,用It was.一般要与谓语动词的时态一致。1. It is I who/ that am an English teacher.2. It is the boy who/ that speaks English best in the class.3. It
2、 was on Sunday that he gave George this ticket.4. It is the little girl who/ that has broken the glass.2、去掉强调结构It is (was) that(who)后,剩下的词仍能组成一个完整的句子。1. It is strange that he didnt come yesterday.2. It is you and Tom that didnt come yesterday.3、如果强调时间、地点、原因或方式状语时,不可用when, where, why或how,而仍用that。1. I
3、t was because of the accident that he was late. 2. It was not until midnight that they reached the camp site.4、注意强调句型的否定句和疑问句形式,1. How did he come here? 强调how: How was it that he came here? 2. Why did he came late? 强调Why: Why was it that he came late?5、有时,be前可使用表示推测的情态动词。1. It must be Peter who has
4、let this secret out.2. It might be last night that they did their homework.6、 强调句型It is/ was that/ who主要用来强调句子的主语、宾语、状语或表语。 如果要强调谓语动词,应该用代动词do及其变形does或did, 这三种形式常用在谓语动词之前,以加强语气。它一般只能强调现在时与过去时。1. I do wish I could. 2. He does look well. 3. You did give me a fright. 二、注意以下几点1、被强调部分无论是单数还是复数, It 后的动词均用
5、单数形式, 即 is或 was。It is they who have finished cleaning the classroom. 2、强调双宾语时,无论是强调直接宾语还是间接宾语,根据适当情况加上介词 to 或 for 等。1. It was a new dictionary that Tom gave to me last night. (Tom gave me a new dictionary last night. )2. It was a red shirt that John bought for me as a birthday present. (John bought
6、me a red shirt as a birthday present. )3、对 not. until. 句型强调时, 要把 not 连同 until 短语或从句一起提前。It was not until I spoke to him that he noticed me. (He didnt notice me until I spoke to him. )4、强调特殊疑问句的疑问词时, 要将疑问词置于句首, 句子结构仍是疑问句形式。1. Where was it that you put the book? (Where did you put the book? )2. Who wa
7、s it that called me this morning? (Who called me this morning? )5、此结构还可以强调目的状语、方式状语和以 because 引导的原因状语从句。 但不能强调由 since 或 as 引导的原因状语从句, 及although 和 whereas 引导的句子。1. It was because he was ill that we decided to return home. 2. Was it in Beijing you first met him? ( Was it in Beijing that you first met
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