1、外研版(2019)必修一Unit 6 At one with natureUsing languageLearning Aims1.To further learn the structure and the functions of attributive clause.2.To master the usage of preposition+which/whom.3.To use the preposition+which/whom in real situation.“三步走”战略1.判断出定语从句：定语从句=先行词（pron.or n.）+关系词+句子2.句子是否缺成分3.先行词 关系
2、代词a.缺成分b.不缺成分关系副词人、物时间、地点、原因定语从句Review3.The girl _ everybody had thought would win a gold medal failed at last.2.The years and months _ we spent together are really wonderful to us all.1.There are many areas in the world _ lack experienced doctors.4.A fast food restaurant is the place_ just as the n
3、ame suggests,eating is performed quickly.5.There are times _ I wonder why I do this job.6.Thisisthereason_wemadeMr.Liheadmasterofourschool.whichthatwhowherewhenwhy作主语作宾语作主语a.they could increase the areas in which they could grow rice.Look at the sentences and answer the questions.b.these terraces st
4、ill mean a lot to the local people for whom traditions hold much value.1.What do“which”and“whom”refer to in sentence(a)and(b)?2.Why do we use prepositions before“which”and“whom”?“Which”refers to“the areas”;“Whom”refers to“the local people”.Because“which”and“whom”serve as the object of the action phr
5、ases that end with a preposition.学习目标1Find more sentences containing attributive clauses in the reading passage.1.These terraces were built by the local Zhuang and Yao people,to whom Guangxi is home.2.Building the terraces therefore meant that they could increase the areas in which they could grow r
6、ice.3.But perhaps what is most significant is the way in which people have worked in harmony with nature.4.This forms clouds from which rain falls down onto the mountain terraces once again.5.These terraces still mean a lot to the local people for whom traditions hold much value.to+关系代词whomin+关系代词wh
7、ichin+关系代词whichfrom+关系代词whichfor+关系代词whomIt will make the passage clearer,and create an emphatic effect on the objects being defined.介词后不可用that介词+关系代词关系副词“介词关系代词”介词关系代词whomwhiche.g.He is looking forward to the days on which he will stay with you.e.g.They visited a factory in which computers are made
8、.e.g.Is this the reason for which you failed in the exam.whenwherewhy(1)“介词+which”在定语从句中分别可作时间、地点和原因状语，代替相应的关系副词when,where和why。学习目标2介词+关系代词(3)“不定代词或数词+of+which(指物)/whom(指人)”在定语句中作主语，说明整体中的一部分。China has a lot of islands,one of which is Taiwan.(2)“介词+which(指物)/whom(指人)”在定语从句中作地点状语，表示存在关系，定语从句主谓常须倒装。如：
9、They arrived at a farm house,in front of which sat a small boy.I saw a man,on the head of _ stood a bird.whom There are a lot of students here,none of whom like the film.对于较为特殊的先行词，如：degree(to the degree),extent(to the extent),means(by means of),pace(at the pace)等，需要首先考虑介词是否与先行词构成固定搭配。介词+关系代词介词的选择可以
10、总结为：“一先、二动、三意义、四特殊”。1.一先，即先看先行词。根据先行词搭配关系选择。What is an issue is the extent _ exam results can reflect a students ability.to which The boy pointed to the direction in which he would run.(in the direction为固定搭配，表示“朝.方向”。)(to the extent 为固定搭配，表示“在某种程度上”。)介词+关系代词2.二动，即根据定语从句谓语动词和介词的搭配关系选。This is not the
11、book of which the teacher spoke in class.(speak of为固定搭配，表示“谈论”)American women usually identify their best friend as someone _ they can talk frequently.(talk with sb.为固定搭配，表示“与.谈论”)with whom介词+关系代词3.三意义：通过判断主句表达的全部意义来确定合适的介词。He was educated at a local high school，after which he went on to Beijing Uni
12、versity.Villagers here depend on the fishing industry,_ there wont be much work.without which4.四特殊：有时需同时考虑动词和介词的搭配关系及介词和名词的搭配关系。The clever boy made a hole in the wall,_he could see what was happening inside the house.through which(see through/through a hole为固定搭配）Lets practice.6.We went through a per
13、iod _ communications were very difficult in the rural areas.2.The gentleman _you told me yesterday proved to be a thief.4.Hell never forget the day _he was admitted to the Olympic Games.3.Luckily,we brought a map _ we would have lost our way.1.I like my music teacher _ I have great respect.5.Father
14、Christmas is a person _ children will receive presents at Christmas.用“介词关系代词”填空for whomabout whomwithout which on which from whom in whichConnect the sentences with a preposition+whom/which.1.The Zhuang is an ethnic group.Its population is the largest of all ethnic groups in China.2.Guangxi is a pro
15、vince.The Longji Rice Terraces are located in it.3.I want to visit this cultural landscape.The title of UNESCO World Heritage Site was given to it in 2016.4.He is an expert on rice planting.The local Zhuang people have learnt a lot from him.The Zhuang is an ethnic group of which the population is th
16、e largest of all ethnic groups in China.Guangxi is a province in which the Longji Rice Terraces are located.I want to visit this cultural landscape to which the title of UNESCO World Heritage Site was given in 2016.He is an expert on rice planting from whom the local Zhuang people have learnt a lot.
17、Lets practice.学习目标3Complete passage with a preposition+which/whom.Among the many beautiful treasures people can receive from nature are natural dyes.The most common natural source _ natural dyes come is plants.Materials for making natural dyes can often be found in gardens _ colourful flowers are pl
18、anted.Other natural dyes are made from insects,sea creatures and mineral compounds.Natural dyes are now returning to popularity,especially with artist sand craftspeople.The reasons _they prefer natural dyes are that the colours are brighter and can be kept longer.Natural dyes are also becoming more popular with consumers _caring for the environment is a priority.More and more people feel that by using natural dyes,we can remind ourselves of natures beauty and protect the natural world.from whichin whichfor whichfor whichSummaryThank you
