初升高衔接 第六节 第三课时 定语从句-【优化探究】2023-2024学年新教材高中英语必修第一册同步导学案配套PPT课件（外研版）

外研英语必修第一册 返回导航上页下页 第三课时 定语从句 外研英语必修第一册 返回导航上项下页 初高衔接知识梳理 课堂检测素养达标 外研英语必修第一册 返回导航上页下页 初高衔接 知识梳理 定语从句在句中作定语，修饰一个名词或代词，有时也可以修饰 部分或整个句子。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：who,whom,whose,that,which,as。 关系副词：when,where,why。 外研英语必修第一册 返回导航上页下页 关系代词和关系副词放在先行词和定语从句之间，起连接作用， 同时又可作定语从句的一个成分。关系代词作宾语时往往可以省 略。 定语从句中的谓语动词必须在人称和数上和先行词保持一致。 定语从句分为限制性定语从句和非限制性定语从句。 外研英语必修第一册 返回导航上页下项 一、关系代词引导的定语从句 l.who,whom,that这些词指代的先行词是指人的名词或代词， 在从句中所起作用如下： Is he the man who/that wants to see you?(who/that在从句中作主语) He is the man (who/whom/that)I saw yesterday.(who/whom/that 句中作宾语) 外研英语必修第一册 返回导航上页下页 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)。如： Please pass me the book whose cover is green. Please pass me the book of which cover is green. 外研英语必修第一册 返回导航 上页下页 3.which,that它们所指代的先行词是表示事物的名词或代词，在 从句中可作主语、宾语等。如： A prosperity which/that had never been seen before appeared in the countryside.(which/that在从句中作主语) The package (which/that)you are carrying is about to come unwrapped.(which/that在从句中作宾语) 外研英语必修第一册 返回导航上页下页 关系代词that和which都可以指物，that和who都可以指人，其用 法区别： (1)不能用that的情况 ①在引导非限制性定语从句时不能用 The tree,which is four hundred years old,is very famous here. ②介词后不能用 We depend on the land from which we get our food. 外研英语必修第一册 返回导航上页下项 ③先行词是人时，多用who不用that的情况 a.关系代词在从句中作主语 A friend who helps you in time of need is a real friend. b.先行词为those,people时 Those who were either fools or unfit for their offices could not see the cloth. 外研英语必修第一册 返回导航上页下页 c.先行词为all,anyone,ones,one(指人时) One who doesn't work hard will never succeed in his work. d.在There be句型中 There is a stranger who wants to see you. e.在被分隔的定语从句中 A new teacher will come tomorrow who will teach you German.