Unit 4 Discovering Useful Structures 定语从句(ppt课件) (2)-2022新人教版（2019）《高中英语》必修第一册.pptx

1、Unit 1 Natural DisastersDiscovering useful structuresWarming upPlease read the sentence and find out the attributive clauseThe Tangshan earthquake was a terrible experience that my great-grandma cannot forget.attributive clauserestrictive relative clausesRead and find outPlease read the sentences of

2、 exercise 1 page 52.Find and underline the restrictive relative clauses in the sentence.What is an attributive clause?A clause which is used as an attributive.Read and find outPlease read the text on page 50.Find and underline the attributive clauses in the text.There were cracks that appeared in th

3、e well walls.a quake that even caused damage more than 150 kilometers away in Beijing.Read and discussPlease read the sentences with restrictive relative clauses on page 50 and 52 and discuss:1.what function do the restrictive relative clauses have?2.what words do these restrictive relative clauses

4、start with?Read and discussPlease read the sentences with restrictive relative clauses on page 50 and 52 and discuss:1.What function do the restrictive relative clauses have?A restrictive relative clause can be used to introduce or modify a noun or a pronoun.Read and discussPlease read the sentences

5、 with restrictive relative clauses on page 50 and 52 and discuss:2.What words do these restrictive relative clauses start with?That,which,who,whom,whose.（relative pronoun 关系代词)Read and discussRead the sentences of exercise 1(page 52)and discuss how to choose the right relative pronoun when we write

6、restrictive relative clauses?关系代词在从句中充当先行词所指关系代词主语人who/that物which/that宾语人whom/that/省略物which/that/省略定语人、物whosePlease complete each sentences with that,which,who,whose,whom or/.(exercise 2 on page 52)PracticeRead and discussHow did you choose relative pronouns when writing a restrictive relative claus

7、es 1.In a restrictive relative clause,“that”can be used to replace which,who and whom.2.If the antecedent is all/no+noun or pronouns like anything,nothing,only“that”can be used as the relative pronoun.3.“whose”can be used to show that something belongs to somebody.Read and discuss1）Is there anything

8、_I can do for the rescue work?2)All the survivors _were found by the soldiers were sent to the shelter.3)This is the little girl _ parents were killed in the earthquake.4).The building _wall was white was destroyed in the earthquake.Complete the sentences with correct relative pronouns.thatthat/whow

9、hosewhosePractice插入交互动画Discovering useful structuresRead and find out1.Translate the two sentences in example(exercise 2 page 90)and compare the difference.2.Use a restrictive relative clause to combine each pair of sentences.(exercise 2 page 90)The passage is about an earthquake which/thatMany sold

10、iers came to save the people who/thatThe workers built shelters for the survivors whose Do you remember the text of this unit?Please use the information in the text to complete the sentences.More practice Work with a partner.Take turns to ask each other about the picture.Make sentences with restrict

11、ive relative clauses using that,which,who,whose or whom.(exercise 3 page 52)More practice Example:A:Whats the rescue worker doing?B:Shes feeding a baby who survived the earthquake.Use at least two restrictive relative clauses to introduce a natural disaster.Discuss and shareHomework1.Workbook:exercise 1 on page 90;exercise 3 on page 912.Writingchoose one topic and finish the homework1)Workbook:exercise 4 on page 912)Write a short text to introduce one natural disaster and use the restrictive relative clauses with that,which,who(whom),whose in the text.Goodbye!