Unit 4 Natural Disasters Section B Discovering Useful Structures 教学课件-高中英语人教版（2019）必修第一册

1、Unit 4 NATURAL DISASTERSSection B Discovering Useful StructuresCONTENTSLeading-inWhile-classAfter-classPart 1Part 2Part 3Part.1Leading-inLeading inTo learn the restrictive attributive clauses with that, which, who, whose, whomTo use the restrictive attributive clauses to describe pictures of disaste

2、rs.Leading inFind and underline the restrictive attributive clauses in the sentences below. The Tangshan earthquake was a terrible experience that my great grandma cannot forget. The couple who live next to us volunteered to help after the volcano eruption. The supplies which were provided to the di

3、saster area were collected from around the country. Mr Li is an architect whose designs for the new town have won praise.Find more sentences with restrictive attributive clauses from the text on page 50. There were deep cracks that appeared in the well walls. Eleven kilometers directly below the cit

4、y, one of the most deadly earthquakes of the 20th century had begun, a quake that even caused damage more than 150 kilometers away in Beijing. Two thirds of the people who lived there were dead or injured. The number of people who were killed or badly injured in the quake was more than 400,000. Soon

5、 after the quakes, the army sent 150,000 soldiers to Tangshan to dig out those who were trapped and to bury the dead. Workers built shelters for survivors whose homes had been destroyed.Part.2While-classWhile-classThe Structure of Attributive Clauses定语从句的结构Two thirds of the people who lived there we

6、re dead or injured.先行词关系代词定语从句限制性定语从句作用: 修饰和限制先行词 添加新信息 增强语句或语段的衔接性While-classFunction of restrictive attributive clauses1. The Tangshan earthquake was a terrible experience. My great-grandma cannot forget the experience.The Tangshan earthquake was a terrible experience (that my great-grandma cannot

7、 forget). 2. The couple volunteered to help after the vocano erupted. The couple live next to us.The couple (who live next to us) volunteered to help after the volcano erupted.While-class1. The supplies which were provided to the disaster area were collected from around the country.2. Mr Li is an ar

8、chitect whose designs for the new town have won praise.Analyze the following attributive clauses.1. The supplies which were provided to the disaster area were collected from around the country.While-classThe supplies which were provided to the disaster area were collected from around the country.Mr

9、Li is an architect whose designs for the new town have won praise.Analyze the following attributive clauses.The supplies (which were provided to the disaster area) were collected from around the country.While-classThe supplies which were provided to the disaster area were collected from around the c

10、ountry.Mr Li is an architect whose designs for the new town have won praise.Analyze the following attributive clauses.The supplies (which were provided to the disaster area) were collected from around the country.Mr Li is an architect (whose designs for the new town have won praise).While-class指代人指代

11、物主语who / thatwhich / that宾语关系代词可省whom / who / thatwhich / that定语“某人的/某物的”whose whose 在从句中的作用指代功能While-classwhosewho; thatthat; /which; thatwhosewhomwho; thatWhile-classA huge crack _(8公里长30米宽的) cut across houses, roads and waterways.A huge crack which/that was eight kilometers long and thirty meters

12、 wide(8公里长30米宽的) cut across houses, roads and waterways.Use restrictive relative clauses to describe pictures While-classThe number of people _ (死去或严重受伤的) was more than 400,000.The number of people who/that were killed or badly injured (死去或严重受伤的) was more than 400,000.While-classThere are a number o

13、f people _ (家园被这灾难性地震毁掉的).There are a number of people whose homes were destroyed by the disastrous earthquake (家园被这灾难性地震毁掉的).While-classSoldiers were sent to Tangshan to dig out those _ (被困的 ) and to bury the dead.Soldiers were sent to Tangshan to dig out those who were trapped (被困的 ) and to bury the dead.Part.3After-classAfter-class1. 作用：修饰和限制先行词2. 结构