Unit 4 Discovering useful structures（ppt课件）-2023新人教版（2019）《高中英语》必修第一册.pptx

1、Unit 4Natural Disasters-Describe pictures of disastersBetter late than never.Leaning Aims1.Speak out the usages of the restrictive relative clauses in your own words to understand its usage.2.Draw the mind map of the restrictive relative clauses with your partners to analyze and figure it out comple

2、tely.3.Make a role-play to describe pictures of disasters and share with others to deepen the perception of its function.Better late than never.Which one is Harry Porter?Better late than never.Leading-in The boy is Harry Porter.Harry Porter is wearing glasses.The boy who is wearing glasses is Harry

3、Porter.What is the attribute?(什么是定语）Better late than never.a red apple a beautiful girl形容词作定语 my friend his pen代词作定语 a girl in red a man with glasses 介词短语作定语 apple tree shoe shop 名词作定语什么是定语？定语定语就是用来就是用来修饰修饰或或限定限定名词名词或或代词代词的成分的成分 the boiling water;the watch made in Shanghai.分词作定语Better late than neve

4、r.What is the attributive clause?(什么是定语从句）Better late than never.定语从句 Attributive Clause/Relative Clause1，定义：，定义：定语从句，定语从句，也称形容词性从句也称形容词性从句，一个句子跟在一个一个句子跟在一个名词名词或或代词代词后进行修饰限定后进行修饰限定，进而使原句内容更完整进而使原句内容更完整，就叫做就叫做定语定语从句。从句。定语从句在整个句子中做定语的成分定语从句在整个句子中做定语的成分。被定语从句修饰的被定语从句修饰的名词名词或或代词代词叫叫先行词先行词。定语从句定语从句不同于单词作

5、定语不同于单词作定语的情况，它通常只能放在被修饰的词之的情况，它通常只能放在被修饰的词之后。如：后。如：a beautiful pen a pen which is beautiful a handsome boy a boy who is handsomeBetter late than never.（二）判断下面的句子是否定语从句。（二）判断下面的句子是否定语从句。1.The number of people who were killed was more than 100.2.He is a man that you can safely trust.3.It seemed as if

6、 the world were coming to an end.4.The bus which has left was the last one.5.I didnt know which book was the best.定从定从表语从句定从宾语从句Better late than never.The boy who is wearing glasses is Harry Porter.先行词先行词关系词关系词定语从句定语从句关系代词关系副词which,who,whom,whose,that，aswhere,when,whyBetter late than never.Find and

7、underline the restrictive relative 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 erupted.The supplies which were provided to the disaster area were collected fr

8、om around the country.Presentation Mr Li is an architect whose designs for the new town have won praise.A doctor with whom James used to work died in the 2016 earthquake in Ecuador.Better late than never.（一）引导定语从句的关系代词关系词用法 who whom whose which that指指人人，在定语从句中可以充当，在定语从句中可以充当主语或宾语主语或宾语指指人人，在定语从句中作，在定

9、语从句中作宾语宾语既可以指既可以指人人，也可以指，也可以指物物，表示，表示“所属所属”关系，在定语从句中作关系，在定语从句中作定语定语指指物物，在定语从句中作，在定语从句中作主语或宾语主语或宾语既可指既可指人人，也可指，也可指物物，在定语从句中作，在定语从句中作主语或主语或宾语宾语，作宾语时可以省略。，作宾语时可以省略。Better late than never.12when,where,why关系副词关系副词先行词先行词在从句中的成分在从句中的成分when时间时间时间状语时间状语where 地点地点地点状语地点状语why reason原因状语原因状语（二）引导定语从句的关系副词（二）引导定

10、语从句的关系副词Better late than never.判断关系代词的步骤：Step 1:确定先行词表述的使“人”还是“物”Step 2:找到谓语动词（这一步很重要）Step 3:谓语谓语动词前动词前为为主语主语，谓语，谓语动词后动词后/介词后介词后为为宾语宾语。Better late than never.2)The terrible shaking of the building woke up all the people _ were asleep.3)The next day,people put up shelters in the open air using anythi

11、ng _ they could find.Complete each sentence with that,which,who,whose,whom,or“/”.Then translate the sentences into Chinese.1)Here are some of the people _homes were destroyed by the typhoon.whosewhothat这里一些人的房子被台风摧毁了。剧烈震动的建筑物使所有熟睡的人都惊醒了。第二天，人们在户外用他们能找到的任何东西搭起了庇护所。Better late than never.5)The injured

12、 boy _ mother was lost in the disaster was taken to the hospital.4)Several days later,most of the buildings _ had been damaged by the hurricane were repaired.that几天后，大部分被飓风毁坏的建筑物都修复了。whose那个受伤男孩的母亲在灾难中丧生，他被送去了医院。6)The woman wrote a thank-you letter to the soldier by _ she was rescued.whom这名妇女给救助她的士兵

13、写了一封感谢信。7)Is this the young boy _ saved several other students trapped under buildings?who这就是把几个困在建筑物下面的学生解救出来的男孩吧？Better late than never.1.The earthquake _ hit the city in 1906 was the biggest in American history.2.We dont know the number of people _ lost their homes in 1906 earthquake.3.The house

14、_ they built in 1987 stayed up in the earthquake.4.A house _ is built on sand may fall down in an earthquake.5.Luckily none of the people _ I know were killed in the earthquake.that/which who一、用 who,whom,that,which or whose填空。that/which that/which who/whom/thatPracticeBetter late than never.Work wit

15、h a partner.Take turns to ask each other about the pictures.Make sentences with restrictive relative clauses using that,which,who,whose,or whom.EXAMPLEA:Whats the rescue worker doing?B:Shes feeding the baby who survived the earthquake.ProductionBetter late than never.God helps those who help themselves.自助者天助Better late than never.