unit1语法-定语从句ppt课件-（2019）新人教版高中英语高一必修第二册.pptx

1、Review partPractice:1. There comes a time _ the old must give a way to the new.2. Water from the dam would likely damage a number of temples and destroy cultural relics _ were an important part of Egypts cultural heritage.3. After listening to the scientists _ had studied the problem, and citizens _

2、 lived near the dam,. 4. Temples. and then moved and put back together again in a place _ they were safe from the water. 5. Not only had the countries found a path to the future_ did not run over the relics of the past.6. .by UNESCO, which runs a programme _ prevents world cultural heritage sites ar

3、ound the world from disappearing.when(先行词：a time；关系副词；充当状语)which/that(先行词：cultural relics; 关系代词; 充当主语）who (先行词：the scientists; 关系代词; 充当主语）who(先行词：citizens; 关系代词; 充当主语）where(先行词：a place; 关系副词; 充当状语） that(先行词：the future; 关系代词; 充当主语）that(先行词：a programme; 关系代词; 充当主语）主语主语宾语宾语定语定语指人指人whothatwhomthatwhose(

4、of whom)指物指物whichthatwhichthatwhose(of which)指人和物指人和物thatthatwhose1.引导定语从句的关系代词关系副词when= on (in,during) whichwhere= on (in,in front of) whichwhy= for which2.引导定语从句的关系副词4. Ill never forget the days _ we worked together.5. Ill never forget the days _ we spent together.6. I went to the place _ I worked

5、 ten years ago.7. I went to the place _ I visited ten years ago.8. This is the reason _ he was late.9. This is the reason _ he gave.when/ in which(that/which)where /in which(which/ that)why /for whichthat/ which及物动词及物动词及物动词及物动词及物动词及物动词如何选用定语从句的关系词 1.首先分清主句和定语从句 2.确定定语从句的先行词,并观察其前是否有特殊修饰词 3.把先行词带回到定语

6、从句中去，看其在定语从句中做什么语法成分（主语，宾语，定语或状语） 4.若先行词在从句中做主语、宾语或定语则选择关系代词，若在从句中做状语，则选择关系副词。 PracticeRewrite the sentences using relative clauses.1. He showed me a photo in his room. It was a photo of a famous cultural relic in Egypt.The photo _2. The project team helped protect the national parks in the United R

7、epublic of Tanzania. It was formed by members from fifteen countries.The project team _3. This temple was first built during the Qin Dynasty.The time _4. We met a professional archaeologist at the entrance to the Great Pyramid. He explained to us the process of building such a difficult structure.Th

8、e professional archaeologist _5. The documents about the cultural relics from overseas are under the desk. I found them yesterday.The place _6. Scientists worked together day and night to rescue the temple because they wanted to preserve it for the next generation.The reason _深入学习深入学习 Part 1 ：.Rewri

9、te the sentences using relative clauses.1. He showed me a photo in his room. It was a photo of a famous cultural relic in Egypt.The photo( that/which) he showed me in his room was of a famous cultural relic in Egypt.2. The project team helped protect the national parks in the United Republic of Tanz

10、ania. It was formed by members from fifteen countries.The project team which/that helped protect the national parks in the United Republic of Tanzania was formed by members from fifteen countries.3. This temple was first built during the Qin Dynasty.The time when this temple was first built was duri

11、ng Qin Dynasty.4. We met a professional archaeologist at the entrance to the Great Pyramid. He explained to us the process of building such a difficult structure.The professional archaeologist (who) we met at the entrance to the Great Pyramid explained to us the process of building such a difficult

12、structure.5. The documents about the cultural relics from overseas are under the desk. I found them yesterday.The place where I found the documents about the cultural relics from overseas yesterday is under the desk.6. Scientists worked together day and night to rescue the temple because they wanted

13、 to preserve it for the next generation.The reason why scientists worked together day and night to rescue the temple is that they wanted to preserve it for the next generation.深入学习深入学习 Part 2 ：1. My father and his teacher talked a lot about the persons and things _ they couldnt remember.that当先行词既指人又

14、指物时，关系代词当先行词既指人又指物时，关系代词只能用只能用that.2.Say all _ you know.3.Is there anything _ I can do for you?thatthat先行词是指物的不定代词先行词是指物的不定代词 all, few, little, much, something, nothing, anything只能用只能用that引导引导4.This is the first play _ I have seen since I came here.5. This is the best novel _ I have read.thatthat当序数

15、词，形容词最高级序数词，形容词最高级等词修饰先行词时，或它们本身就是先行词时，关系词只能用that.6.Who is the girl _is standing under the tree?7. Which is the machine _ we used last Sunday.当主句是who或或which 引导的特殊疑问引导的特殊疑问句句，而中心词指人或物时，关系代词只能用that.thatthat8. That is the very book _ I was looking for.9. After the fire in his house, the old car is the

16、only thing _ he owns.that先行词被先行词被the only, the very, the same, the last 等修饰时等修饰时只能用只能用thatthatthatConclusion:定语从句中只用that的情况 当先行词既指人又指物时，关系代词只能用当先行词既指人又指物时，关系代词只能用that. 先行词是指物的不定代词先行词是指物的不定代词 all, few, little, much, something, nothing, anything只能用只能用that引导引导 当序数词，形容词最高级序数词，形容词最高级等词修饰先行词时，或它们本身就是先行词时，

17、关系词只能用that. 当主句是who或或which 引导的特殊疑问句引导的特殊疑问句，而中心词指人或物时，关系代词只能用that. 先行词被先行词被the only, the very, the same, the last 等修饰时只能用等修饰时只能用that1.The song, _ we are interested will be broadcast tonight.2.He is the hero _ we are proud.3.This is the college _ well visit a famous actor.4.The earth _ we live is a b

18、ig round ball.in whichof whomin whichon whichPart 3:How about these sentences,complete them with correct answers. 定语从句中的介词+关系代词现象 介词+which/whom 注意： 1.当先行词是物时，介词后面用which；当先行词是人是，介词后面用whom 2.如何选择合适的介词。1.根据从句中的动词搭配 This is the book _ which you asked.注意：有些固定的动词短语不能拆，即介词 不提前，以免引起歧义。 我照顾的那个老人好多了。 The old

19、man after whom I am looking is better. The old man whom I am looking after is better.for2. 根据从句中的形容词搭配 He told me some reference books _ which I am not very familiar. This is our classroom, in the front of which there is a teachers desk.with3. 根据先行词与介词搭配4. 介词 + 关系代词 = 关系副词 My grandpa was born in 193

20、9 _ the World War broke out. Kun Ming is a beautiful place _ flowers are seen all the year round.in whichwhenin whichwhere1. Do you like the book _ she spent $10? 2. Do you like the book _ she paid $10?3. Do you like the teacher _ she learned a lot? 4. Do you know the teacher _ we are talking has gone abroad? 5. He paid the boy $10 for washing ten windows, most _ hadnt been cleaned for at least a year.on whichfor whichfrom whomabout whomof whichPractice：介词：介词+关系代词的使用关系代词的使用Practice makes perfect. 熟能生巧熟能生巧