资源简介 Unit 4 Natural DisastersDiscovering Useful Structures教学设计科目:英语 课题:Discovering Useful Structures课时:1课时教学目标与核心素养:知识目标:Master restrictive relative clauses guided by "that", "which", "who", "who", and "who".能力目标:Be able to identify attributive clauses and explore the structure and pragmatic functions of inductive attributive clauses.情感目标:Students can think individually and learn cooperatively.教学重难点教学重点:Guide students to understand the function of relative clauses in enriching sentence content, describing the characteristics of things, and supplementing information.教学难点:Guide students to use relative clauses to supplement information and enrich their language expression课前准备:多媒体,黑板,粉笔教学过程:一、Pre-class1. Greeting2. Leading-in教师活动:Find 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 disaster area were collected from around the country.Mr. Li is an architect whose designs for the new town have won praise.二、While- classAnalyse grammar定语从句定语从句(Attributive Clauses)在句中做定语,修饰一个名词或代词,被修饰的名词,词组或代词即先行词。定语从句通常出现在先行词之后,由关系词(关系代词或关系副词)引出。关系代词有:who, whom, whose, that, which等。关系代词引导的定语从句关系代词所代替的先行词是人或物的名词或代词,并在句中充当主语、宾语、定语或表语等成分。关系代词在定语从句中做主语时,从句谓语动词的人称和数要和先行词保持一致。1)who, whom, that这些词代替的先行词是人的名词或代词,在从句中所起作用如下:Is he the man who/that wants to see you 他就是想见你的人吗?(who/that在从句中做主语)He is the man whom/ that I met yesterday. 他就是我昨天遇见的那个人。(whom/that在从句中作宾语)2)whose用来指人或物,(只用作定语, 若指物,它还可以同of which互换),例如:They rushed over to help the man whose car had broken down. 那人车坏了,大家都跑过去帮忙。Please pass me the book whose (of which) cover is green. 请递给我那本绿皮的书。3)which, that它们所代替的先行词是事物的名词或代词,在从句中可做主语、宾语等,例如:A prosperity which / that had never been seen before appears in the countryside.农村出现了前所未有的繁荣。(which / that在句中作宾语)The package (which / that) you are carrying is about to come unwrapped.你拿的包快散了。(which / that在句中作宾语)定语从句中只能用that 引导的情况1.当先行词是everything, anything, nothing, all, none, few, little, some等不定代词时,或当先行词受every, any, all, some, no, little, few, much等不定代词修饰时。2.当先行词被序数词修饰时。3.当先行词被形容词最高级修饰时。4.当先行词被the very, the only修饰时。5.当先行词前面有who, which等疑问代词时。6.当先行词为人与物时。7.先行词在定语从句中做表语,而关系代词在从句中也做表语时。定语从句中只能用which引导的情况1.当关系代词的前面有介词时。2.在非限制性定语从句中。3.在一个句子中有两个定语从句,其中一个定语从句的关系代词用了that, 另一个宜用which。4.当关系代词后面带有插入语时。5.先行词本身是that, 宜用which。定语从句中只能用who引导的情况1. 先行词是one,ones和anyone时,宜用who。2. 先行词是those时,宜用who。3.当先行词有较长的后置定语时,宜用who。4.一个句子带有两个定语从句时,其中一个定语从句的关系代词是that,另一个宜用who。5. 在there be 开头的句子中,宜用who。关系代词as 引导定语从句关系代词as在限制性定语从句时,在从句里做宾语时,绝不能省略。当先行词被 the same 所修饰时,关系词既可以用 as,也可以用 that。不过一般说来,表示同一种类多用 as,表示同一事物多用 that。但是表示抽象概念时,同种类和同一事物是没有绝对区别的,所以as和that可互换。as引导的非限制性定语从句位置较灵活,可以位于主句前面.中间或后面,一般用逗号与主句隔开。as引导非限制性定语从句。as在定语从句中做主语、表语或宾语。as代指整个主句,而as引的这个定语从句是用来补充说明整个主句的,可以放在主句之前或者之后。5. as常用于be known/ expected/reported等结构中。三、After-class1.学生课后参考教科书中的语法附录,再次总结、复习所学的定语从句的知识和使用规则。2.完成表格练习。四、Homework完成同步课时作业。 展开更多...... 收起↑ 资源预览