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1、Unit 4 Global Warming it for emphasis,强调句型，你掌握了吗？,Explanation,由it引导的强调句结构： It is (was)+被强调部分+that /who(主语是人)/whom(宾语是人) + 句子其他部分 注意：此结构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：M
2、y 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
3、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 + 所强调的部分+that / who+句子其他部分?,问句结构： 强调句型的一般疑,原句：你是8点开始工作的吗？ Did you begin to start at 8 oclock? 强调句型： Was
4、 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。,问句结构： 强调句型的特殊疑,特殊疑问词+is / was +it + that +句子其他部分?,原句：他为什么不能回答这个问题？ 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
5、掉，剩余部分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 unt
6、il + 被强调部分 + 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相同。 1. We depend on energy to do many things. _ _ energy _ we dep
7、end 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. _ _
8、 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 vi
9、llage 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
10、 _ I received the managers reply.,What is it that,It was not until,that,巩固练习： 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
11、 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 g
12、arden. 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 tomorr
13、ow. 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
14、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.,