Unit 4 Discovering Useful Structures 定语从句课件-2023-2024学年高一上学期英语人教版（2019）必修第一册

Unit 4 Natural Disasters Live to tell: Raising Awareness, Reducing Mortality. 用生命呼吁：增强减灾意识，减少人员伤亡。 Describe pictures of disasters Lead-in Lead-in 定语Attribute 找出句子定语，并判断其形式 The clever boy is Tom . The maths problem is very difficult. What’s your name ? I got the third prize in the competition. The boy under the tree is Jack. I have some question to ask you. Beneath the sky, we see a sleeping village. There are fallen leaves on the ground . The man upstairs is my headmaster. The man who visited our class yesterday is an expert. 定语对名词或代词起修饰作用，常翻译成“…的” 。可以作定语的有：名词(短语)、代词、形容词、数词、非谓语动词(不定式，现在分词，过去分词)、介词短语、副词(极少)、定语从句等。如果定语是由一个单词表示时，通常前置。而由一个词组或一个句子表示时，通常则后置。 1.形容词 2.名词 4.数词 6.不定式（非谓语） 7.动名词（非谓语） 7. 过去分词(非谓语) 9. 定语从句 5.介词短语 3.代词 8. 副词 Part 1 Warming up Enjoy a video of rescue What are dogs doing? What happened to people? Talk about “dogs” Think ! What kind of clauses do you use ? Restrictive relative clauses What are dogs doing? What happened to people? The dog whose job is to search people has an incredible sense of smell. Dogs are searching people. People are being buried in the ruins So Dogs are searching people who are being buried in the ruins 4 Part 2 Grammatical exploration（语法探究） Love is the power that/ which gets people out of disasters. . Antecedent (先行词) Relative pronouns (关系代词） restrictive relative clause (限制性定语从句） 什么是定语从句？定语从句的构成？定语从句如何翻译？定语从句有什么用？ 翻译：爱是帮助人们脱离灾难的力量。 5 一、定语从句的定义：修饰_______或________的句子叫定语从句。 二、结构：________+________+____________ 三、定语从句翻译成“…的” 四、定语从句能有助于更详细地描述人或事、补充一些必要的信息和充实语言。 名词 代词 先行词 关系词 定语从句 Observe, Discover and Conclude 找出下列句子中的定语从句，先行词，关系词。 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 from around the country. Mr Li is an architect whose designs for the new town have won praise. A doctor with whom Jame