Unit 4 Period Three（课件）-2019-2020学年高中新教材英语第一册【步步高】学案导学与随堂笔记（人教版） (共24张PPT)

Unit 4　Natural Disasters PART 1 语法导学 PART 2 达标检测 Period Three　Discovering Useful Structures—Restrictive Relative Clauses(1) PART 1 语法导学 感知以下课文原句，完成方框下的小题 ◆语法感知 1.There were deep cracks that appeared in the well walls. 2.Eleven kilometers directly below the city，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. 3.Two thirds of the people who lived there were dead or injured. 4.The number of people who were killed or badly injured in the quake was more than 400,000. 5.Soon after the quakes，the army sent 150,000 soldiers to Tangshan to dig out those who were trapped and to bury the dead. 6.Workers built shelters for survivors whose homes had been destroyed. 7.The supplies which were provided to the disaster area were collected from around the country. 1.以上定语从句由关系词 引导，修饰名词或代词，置于被修饰词的 。 2.关系代词which，that，who在定语从句中可以作 ，也可以作 ；关系代词whose在定语从句中作 。 Who,which,that,whose 后面 主语 宾语或表语 定语 在复合句中，修饰某一名词、代词或整个主句的从句叫做定语从句。被定语从句修饰的名词或代词叫作先行词，连接先行词和定语从句的词叫关系词。关系词的主要作用是连接主句和从句，并在从句中充当一定的句子成分。关系词分为关系代词和关系副词两种，关系代词有that，which，who，whom，whose等；关系副词有when，where，why等。 一、关系代词的用法 1.who指人，在定语从句中作主语或宾语。 The number of people who were killed in the accident was over 100. 在那次事故中丧生的人数超过了100。 He is the man who I met yesterday.他就是我昨天遇见的那个人。 ◆语法精析 2.whom指人，在定语从句中作宾语，常可省略。 The boy (whom) the teacher often praises is their monitor. 老师经常表扬的那个男孩是他们的班长。 注意：(1)关系代词whom在口语或非正式文体中常可用who/that来代替。 The boy (who/whom/that) we saw yesterday is John’s brother. 昨天我们看到的那个男孩是约翰的哥哥。 (2)在从句中作介词的宾语且直接跟在介词后时，用whom，不用who。 The man to whom you spoke just now is a relative of mine. 刚才和你说话的男人是我的一个亲戚。 3.which指物，在定语从句中作主语或宾语，作宾语时可省略。 The gold medal (which) she won has been given to her old school. 她获得的那块金牌已经被送给她的母校了。 4.that既可以指人，相当于who或whom；也可以指物，相当于which。在定语从句中作主语或宾语，作宾语时可省略。 The woman (that/who/whom) I read about in the newspaper has just won a gold medal