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1、精选优质文档-倾情为你奉上“It is/waswho/that”强调句型是中学阶段所学的极其重要的句型之一，也是每年高考试题考查的重点和热点之一。在日常运用中，其使用频率也较高，因此，对此结构必须引起高度重视。概括起来，通常考查的有以下八个方面。一、考查谓语动词的人称和数的一致性在强调句型中，当强调主语时，其后的谓语动词应和被强调的主语在人称和数上保持一致。例如： It is Mary and Tom that often do good deeds. It is I that am leaving for Beijing next week It is this teacher who _
2、leaving for London. It is you who _ next. A. are; are B. is; are C. are; is D. is; is 解析：经比较分析可知，此题为强调句型，强调的是句子的主语，因此句子的谓语应和主语在人称和数上保持一致。答案为 B。二、考查who 和that 的选用在强调句型中，若被强调的部分是指人的名词或代词，且在句中作主语或宾语时，用who/ whom或that皆可；若被强调的部分是句子的其它成分，则只能用that,而不能用when，where，why等。例如： It was we who/ that held a League mee
3、ting in the club yesterday.(强调主语we) It was him whom/ that I want to see.(强调宾语him) It is the ability to do the job that matters not where you come from or what you are.(NMET2000)(强调主语the ability) It was only when I reread his poems recently that I began to appreciate their beauty.(NMET1998)(强调时间状语从句o
4、nly when I reread his poems recently) It was in the bookstore that I met your brother the other day.(强调地点状语in the bookstore)三、考查“not until”的倒装结构和强调结构的区别大家都知道当not until 置于句首时，句子通常用倒装语序；但在“It is/was not untilthat”句型中，that后的句子结构不能倒装。例如： Not until I began to work did I realize how much time I had wasted
5、. (not until状语从句位于句首，句子倒装) Not until the child fell asleep did the mother leave the room. It was not until 1920 that regular radio broadcasts began.(NMET1995)(强调until引导的时间状语从句，句子不倒装) It was not until she took off her glasses that I realized she was a famous film star.(MET92)四、考查强调结构与主语从句（“It is/wast
6、hat-clause”）的区别强调结构与主语从句（“It is/wasthat-clause”）十分相似，但在主语从句中It is/was 后通常用名词或形容词作表语，其中的“It is/wasthat-clause”缺一不可。强调句型中It is/was后一定是对除谓语动词以外的任何一个句子成分（即主语、宾语或状语）进行强调，如果把强调句式“It is/wasthat”去掉，句子的语法结构仍然成立。例如： It is a fact that English is being accepted as an international language.(NMET1993)(it是形式主语，而真
7、正的主语是that English is being accepted as an international language) It is true that he won the first prize.(真正的主语是that he won the first prize, it是形式主语) It was with the great difficulty that the boy gathered the strength to rise.(此句是强调句，强调句子的状语，如果去掉 “It wasthat”后句子仍然成立，即With great difficulty the boy ga
8、thered strength to rise.) It was in the street that I met him.(去掉“It wasthat”,句子则为：In the street, I met him.此句不论从语法结构还是句意都成立。)五、考查强调结构与“It bebefore”、 “It besince”、 “It bewhen”等句型的区别(1)掌握强调句型的关键在于把握强调句型的判断标准，即去掉强调句式结构（it is/ waswho/ that），经过语序相应调整后，原句语法结构和句意仍然正确。这也是强调句型与定语从句及其它句式的重要区别之一。例如： It was be
9、cause he was ill that he did not come to see you.(去掉强调句型的句式结构“It was that”后，原句仍然成立。)（2）“It +be +some time +before” 此句型关键在于：主句为将来时态，before从句为一般现在时态；主句为一般过去时态，before从句通常也为一般过去时态。主句肯定结构意义为“时间过多久从句中动作才发生”；否定结构意义为“不久，从句中动作就发生”。例如： It will be more than 100 years before the country begins once again to loo
10、k as it did before.要过100多年后这个国家才能恢复到以前的样子。 It was not long before he worked out the problem.没过多久，他便解出了这道题。（3）“It +be +some time +since” 这个句型表示 “自开始（结束）以来，已经过去多长时间”。该句型关键要掌握两点：主句为“It is(has been)+时段”时，since从句通常用一般过去时；主句为“It was(had been)+时段”时，since从句一般为过去完成时。当since从句中的谓语动词是延续性动词或表示状态的动词时，则从句所表示的时间是从那
11、个动作或状态结束时算起，即表明这一动作或状态终止有多久了。例如：-What was the party like?-Wonderful. It is years since I enjoyed myself so much.(MET1993)(“晚会怎么样？”“很精彩，我已有多年没有那么高兴过了。 ”) Three years has passed since I smoked.(我戒烟已经三年了。) It is four days since he was ill.(他已经康复四天了。)（4）“It +be+时间点+when”掌握此句型的关键在于：“be”后面是个时间“点”，不是时间“段”，
12、句型意义为“当时，时间是”例如： It was five oclock in the afternoon when they climbed up to the top of the mountain.(他们爬上山顶时是下午五点钟。) It was 1919 when the May 4th Movement took place.（“五四”运动爆发是1919年。）六、考查强调结构与定语从句的区别判断句子结构是否是强调句型可用还原法，即去掉“it is/ wasthat”,再将被强调部分放在句中相应的位置。不需要添加任何词语句子正确，即为强调句型结构。否则就是定语从句。例如：It was Oc
13、tober when they finally came back to their hometown.(when引导一个定语从句，修饰先行词October.)It was in October that they finally came back to their hometown.(此句为强调结构，强调句子的时间状语in October,去掉It was that ,句意和语法结构完全正确)It was the house where I met the young man.(此句中when引导的是定语从句，修饰先行词the house,在定语从句中作地点状语)It was in the
14、 house that I met the young man.(此句为强调结构，强调句中的地点状语in the house)七、考查强调句型中的结构变化(以一般疑问句、特殊疑问句、名词性从句等形式考查) （1）以一般疑问句的形式考查 Was _ that I saw last night at the concert?A. it you B. not you C. you D. that yourself比较下句：It was you that I saw last night at the concert.我们可以看出该题干实际上是这个陈述句的一般疑问句形式。答案应为A。（2）以特殊疑问句
15、的形式考查 _ is it _ has made Peter _ he is today? A. What; that; that B. That; that; what C. What; what; that D. What; that; what本题结构复杂，请看解析：It is perseverance that has made Peter what he is today.对划线部分提问则可得到：What is it that has made Peter what he is today? 显然此题的答案应为D。（3）以名词性从句的形式考查 Ive already forgotte
16、n _ you put the dictionary. A. that it was there B. where was it that C. that where it was D. where it was that本题是经过变形的强调句型用作宾语从句的体现。为了更好的理解，我们可以理解为：第一步：复原 It was on the desk that I put the dictionary.第二步：对划线部分提问 Where was it that you put the dictionary?第三步：变为陈述句，将其用作宾语从句，即为该题。经对比可知答案为D。(4)与定语从句结合考查
17、 It was in the lab _ was taken charge of by Professor Harris _ they did the experiment. A. which; that B. that; what C. whom; that D. which; where解析：the lab后跟that或which引导的定语从句，而全句应为强调结构。所以答案为A。八、考查对强调句型的熟练掌握程度和灵活运用能力。做题时要认真审题，避免思维定势的影响。例： - He was nearly killed by a car once. - Oh, when was that exa
18、ctly? - It was in 2004 _ he was riding a bike on the driving-way. A. that B. when C. where D. in which解析：答案为B。如果仔细分析一下此句则可看出he was riding a bike on the driving-way应是定语从句，修饰“2004”，表示“当时他正在机动车行道上骑车”，只有这样才能回答上文的提问“when”。如果要把强调句加上则是“It was in 2004 when he was riding a bike on the driving-way that he was
19、 nearly killed by a car once.”。例： - Was it under the tree _ you were away talking to a friend? - Sure. But when I get back there, the bike was gone. A. that B. where C. which D. while解析：答案为D。做此题时很容易受思维定势的影响，再加之先入为主，这样就会错选A。如果冷静思考，认真审题就可看出it是一个人称代词，而不是引导词it,指代the bike。整个句子的意思是“当你走开和朋友谈话时自行车是不是在树下放着？”
20、，故应选D。跟踪练习：1. Why! I have nothing to confess. _ you want to say? A. What is it that B. What it is that C. How is it that D. How it is that2. It is these poisonous products _ can cause the symptoms of the flu, such as headache and aching muscles. A. who B. that C. how D. what3. It is almost five year
21、s _ we saw each other last time.A. before B. since C. after D. when4. It was evening _ we reached the little town of Winchester. A. that B. until C. since D. before5. It wasnt until nearly a month later _ I received the managers reply. A. since B. when C. as D. that6. It is what you do rather than w
22、hat you say _ matters. A. that B. what C. which D. this7. - Did Jack come back early last night? - Yes. It was not yet eight oclock _ he arrived home. A. before B. when C. that D. until8. It was some time _ we realized the truth. A. when B. until C. since D. before9. _ he will leave for Beijing. A.
23、It will not long before B. It is before long that C. It is before long D. It was before long that10. - Who was _ called this morning? - Mrs. Brown, our new neighbor. A. it that B. it whom C. she that D. she whom11. _ was in 1979 _ I graduated from university. A. That; that B. It; that C. That; when
24、D. It; when12. It was _ he said _ disappointed me. A. what; that B. that; that C. what; what D. that; what13. It was for this reason _ her uncle moved out of New York and settled down in a small village. A. which B. why C. that D. how14. When I try to understand _ that prevents so many Americans fro
25、m being as happy as one might expect, it seems to me that there are two causes. A. what it is B. what it does C. why it does D. why it is15. It was late at night _ the Red Army arrived in that small mountain village, _ it was raining hard. A. when; that B. when; which C. that; when D. that which16.
26、I have always been honest and straightforward, and it doesnt matter _ Im talking to.A. who is it B. who it is C. it is who D. it is whom17. It was only when the rain stopped that _ again.A. the match started B. had the match started C. did the match start D. the match had started18. - _ that he mana
27、ged to get the information?- Oh, a friend of his helped him.A. Where was it B. What was it C. How was it D. Why was it19. It was _ back home after the experiment. A. not until midnight did he go B. until midnight that he didnt go C. not until midnight that he went D. until midnight when he didnt go20. It was only with the help of the local guide _. A. was the mountain climber rescued B. that the mountain climber was rescued C. when the mountain climber was rescued D. then the mountain climber was rescuedKeys:1 5 ABBDD 6 10 ABDBA 1115 BACAC 1620 BACCB专心-专注-专业