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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,Unit 4,Global Warming,强调句型,it for emphasis,强调句型，你掌握了吗？,Explanation,由it引导的强调句构造：,It is (was)+被强调局部+that /who(主语是人)/whom(宾语是人) + 句子其他局部,注意：此构造强调的成分仅限于主语，宾语和状语。,如：,原句：,My father,did,the experiment,in the lab,yesterday evening,强调主语：,It was,my father,who/that did the experiment in the lab yesterday evening,原句：,My father,did,the experiment,in the lab,yesterday evening,强调宾语,：,It was,the experiment,that my father did in the lab yesterday evening,强调时间状语,：,It was,yesterday evening,that my father did the experiment in the lab,原句：,My father,did,the experiment,in the lab,yesterday evening,强调地点,：,It was,in the lab,that my father did the experiment yesterday evening,原句：,My father,did,the experiment,in the lab,yesterday evening,强调地点,：,It was,in the lab,that my father did the experiment yesterday evening,Is / Was +it + 所强调的局部+that / who+句子其他局部,问句构造：,强调句型的一般疑,原句：你是8点开场工作的吗？,Did you begin to start at 8 oclock,强调句型：,Was it at eight oclock that you began to work,也就是说，强调句型疑问句原句就是一般疑问句。,问句构造：,强调句型的特殊疑,特殊疑问词+is / was +it +,that +句子其他局部,原句：他为什么不能答复这个问题？,Why could he not answer the question,强调句型：,Why was it that he couldnt answer the question,注意：强调句型的特殊疑问句就是对特殊疑问词的强调,但that后的句式要用陈述句。,判断是否是强调句的方法：,可把 It is / wasthat 去掉，剩余局部在不增减任何词的情况下还是一个完整的句子，那么这种句子是强调句。,It was because she was ill that they didnt ask her to do the job.,Because she was ill, they didnt ask her to do the job.,It was in the street that I met her father.,In the street I met her father.,realize,变成过去式，而原句中的,didnt,去掉。,二、 not . until . 的强调形式: It is not until + 被强调局部 + that . “直到才,主要用于强调时间状语的强调句型。,原句：I didnt realize she was a famous film star until she took off her dark glasses., It was not until she took off her dark glasses that I realized she was a famous film star.,每空填一词, 使该句与所给句子的意思一样。,1. We depend on energy to do many things.,_ _ energy _ we depend on to do many things.,2. He didnt go to school because he was ill.,_ _ because he was ill _ he didnt go to school.,It is,that,It was,that,3. My father,didnt,return,until,11 oclock last night.,_ _ _ _ 11 oclock _ my father returned last night.,4.,David,bought a walkman from a store yesterday.,_ _ David _ bought a walkman from a store yesterday.,It was not until,that,It was,that / who,5. The mountain climber was rescued,with the help of the local people,.,_ _ with the help of the local people _ the mountain climber was rescued.,6. Her uncle moved out of the city and settled down in a small village,for this reason.,_ _ for this reason _ her uncle moved out of the city and settled down in a small village.,It was,that,It was,that,7. What on earth do you want me to say,_ _ _ _ you want me to say,8. I didnt receive the managers reply until nearly a month later.,_ _ _ _ nearly a month later _ I received the managers reply.,What is it that,It was not until,that,稳固练习：,1.It was _ he said _disappointed me.,A. what ; that B. that; that,C. what; what D. that; what,2. Is it in the factory _ this type of cars are produced,A. which B. where C. that D. /,3. Is it the factory_ this type of cars are produced,A. which B. where C. that D. /,4. _ on Monday night that all this happened,A. Is it B. It is,C. Was it D. It was,5. It was _ the old worker came that we _ the experiment.,A. until; didnt begin B. not until; began,C. until began D. not until; didnt begin,6. It is I _ singing in the garden.,A. who are B. who is,C. that am D. that is,7. -Why didnt you answer when I spoke to you in the street this morning,-I _ but you didnt hear me.,A. did answer B. didnt want to answer,C. couldnt answer D. was too busy,8. It is in the west of China _ there is no doubt _it is going to rain tomorrow.,A. where; whether B. that; that,C. that; whether D. where; that,9. It was 1969_ the American astronauts succeeded in landing on the moon.,A. that B. when,C. on which D. which,10. It was the training _ he had as a young man _made him such a famous writer.,A. when; that B. that; when,C. that; who D. that; that,11.It was in this village _ I was bought up.,A. where B. that,C. on which D. which,12. It was this village _ I was bought up.,A. where B. that,C. on which D. which,13. - Was it under the tree _ you were away talking to a friend,- Sure. But when I got back there, the bike was gone.,A. that B. where,C. which D. while,Homework,1.Finish the exercises on Page 31 in the book of YiXianJingLian,2.Finish the exercises on Page 29 in the textbook.,
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