Unit 6 Period 2 Using Language 课件-高一上学期英语精品课件（外研社2019必修第一册）

Unit 6 At one with nature Using language Ⅰ Grammar that 指人 指物 主语 宾语 主语 宾语 whose who whom which 指人的或物的 Grammar: Attributive clauses (3) Review relative pronouns in attributive clauses. 1.蝴蝶关代图 人 物 which(主、宾) who(主、宾) that (主、宾) whose（定） whom(宾) 2.关系副词 关系副词 指代 相当于 在定 从中 省略 否 when where why 介词+which 介词+which for+which 作时间状语 作地点状语 作原因状语 不可以省略 定语从句三步走 找先行词: n./pron. 看从句 看位置：n./pron.后 看语义 判断 是否残 Look at the sentences from the reading passage and answer the questions. What does “which” refer to in sentence (a)? Grammar: Attributive clauses (3) a ... they could increase the areas in which they could grow rice. b ... these terraces still mean a lot to the local people for whom traditions hold much value. What does “whom” refer to in sentence (b)? Why do we use prepositions before “which” and “whom”? Grammar: Attributive clauses (3) …they could increase the areas in which they could grow rice. …these terraces still mean a lot to the local people for whom traditions hold much value. Because “which” and “whom” serve as the objects of the action phrases that end with a preposition. In sentence (a), can we replace “in which” with “where” without changing the meaning? Grammar: Attributive clauses (3) a … they could increase the areas in which they could grow rice. Look at the sentences from the reading passage and answer the questions. Yes. What is the difference between the two groups of sentences? Grammar: Attributive clauses (3) a … they could increase the areas in which they could grow rice. b … these terraces still mean a lot to the local people for whom traditions hold much value. c … they could increase the areas. They could grow crops in these areas. d … these terraces still mean a lot to the local people. Traditions hold much value for them. Sentences (a) and (b) both contain a clause defining a noun in the sentence. Sentences (c) and (d) are constructed with a pair of simple sentences, with one defining a n