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1、it 强调句强调句的结构：it is/was + 被强调部分+that/who （whom） +句子的其它成分2. 句法功能：对句子中的主语、宾语、表语、同位语、状语等进行强调。Mary met an old beggar in the street yesterday.It was Mary who/that met an old beggar in the street yesterday. （ 强 调主语）It was an old beggar whom/that Mary met in the street yesterday. （ 强 调宾语）It was yesterday th
2、at Mary met an old beggar in the street. （强调时间状语）It was in the street that Mary met an old beggar yesterday. （强调地点状语）3. 引导词的运用。一般来说，只用 that 进行连接， that 没有实际意义，只起语法连接作用。指人 时，可以用 who/whom宾格）。4. 时态的运用。强调句的时态要依原句的时态而定，即原句为过去的某种时态，则强调句中的be 动词就为过去式；原句为现在时态，则强调句中的 be 动词为现在时态。5. 人称和数的运用。若被强调的部分是主语，则that和who从
3、句中的谓语动词应该和主语保持一致。6. not.until句式的强调。与否定词连用的until 短语或从句在被强调时应注意否定转移。I didnt realize all my mistakes until you told me yesterday.对主语进行强调：it was I that/who didnt realize all my mistakes until you told me yesterday.对状语进行强调： it was not until you told me yesterday that I realized all my mistakes.对宾语进行强调： i
4、t was all my mistakes that I didnt realize until you told me yesterday.7. 强调句的疑问句式1）一般疑问句的疑问句式：Is/Was it + 被强调部分+that/who/whom+ 从句Was it in this place that the emperor died2） 特殊疑问句的疑问句式：特殊疑问词 +is/was+it that + 陈述句语序Who was it that wrote these famous playsIt 强调句练习题一、选择题。is four yearsshe came to this
5、college.was not she took off her darkglasses_I realized she was a famousfilm star.， that ， that ， when ， thenwas only when I re-read his poems recently_I began to like them.was in the lab _was taken charge of by did the experiment.， that ， which ， whom ， wherewas_he did_frightened me.， that ， that ，
6、 what ， whatyou left your coatwas where was it it where that wherethatagainst you.， is ， is ， am ， amI saw last night at the concertA. it you B. not you C. you D. that yourselfit during the Second World Warhe diedA. that B. while C. in which D. Thenwas about 600 years agothe first clock with a face
7、and an hour handwas made.A .that B. until C. before D. when4. It was only when I reread his poemsrecentlyI began to appreciatetheir beauty.A. until B. thatC. then D. sowas at the gatehe told me the news.A. that B. what C. which D. whenwas not_she took off her dark glasses_I realized she was a famousfilm star.A. when , that B. untilthat C. until , when D.when , thenwas not until 1920regular radio broadcasts began.A. while B. which C. that D. since8. It is_it is raining hard that they can t go out for an outing.A. as B. since C. for D. because