ID: 22366054

Unit1Cultural Heritage Discovering Useful Structures课件(共20张)人教版(2019)必修第二册

日期:2025-05-12 科目:英语 类型:高中课件 查看:93次 大小:3181350B 来源:二一课件通
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Unit1Cultural,Heritage,Discovering,Useful,Structures,课件
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(课件网) Discovering useful structures CULTURAL HERITAGE 定语从句 定义 结构 在复合句中,修饰名词或代词的句子, 作用相当于形容词 从句 先行词 关系词 关系词 关系 代词 关系 副词 指人 指物 who(主语、宾语),whom(宾语), that(主语、宾语), whose(定语) that(主语、宾语),which(主语、宾语) whose(定语) where (地点状语) when (时间状语) why (原因状语) Review =介词 + which 类型 Review 限制性定语从句(Restrictive Relative Clauses): 对先行词起到修饰、限制的作用,使该词的含义更具体,更明确。这类从句不能省掉,否则句子的意义就不完整。 非限制性定语从句: 同主句的关系不十分密切,只是对先行词作补充说明,不起限制的作用,若省去,主句的意思仍然清楚完整;书写时多用逗号与主句分开。 2.as与which引导非限制性定语从句时的区别 as which 指代 引导从句只能指代整个主句的内容 引导从句既可指代整个主句的内容,也可指代主句的一部分 位置 可位于主句之前,之中或之后 引导从句不能置于主句之前 意义 as is known to all 众所周知 as has been said before 如前所说 as is often the case 情况常常如此 as has been pointed out 正如指出 as often happens 这情况常发生 as引导限制性定语从句通常用于“the same...as”和“such...as”结构中。 翻译成:这,那 功能 连接上下文,表达说话人的观点、看法,并指出主句内容的根据或出处等 引导的从句在意义上相当于一个并列句 复习回顾: as与which区别 1.The number of smokers, _____is reported, has dropped by 17 percent in just one year. 2.There is no simple answer, _____ is often the case in science. 3._____ was reported in the paper, no people died in the accident. 4._____ is shown in the story, she is very clever. 5.The sun heats the earth, _____makes it possible for plants to grow. 6.Don't talk about such things_____you are not sure of. 7.He changed his mind again, _____ made us all angry. 8._____ is often the case, she arrived at the school first. 9._____ we all know, Mo Yan is a famous writer. 10.There is a net bar around here, _____ I remember. as as As As which as which As As which 高频考点 1.只用which不用that的情况: 2 2.只用that不用which的情况: 8 3.只用who不用that的情况: 4 定从中的主谓一致 1.只用which不用that的情况: (1)在引导非限制性定语从句时,不能用that,只能用which。 The tree,which is four hundred years old,is very famous here. (2)介词后不能用that,只能用which。 We depend on the land from which we get our food. 注意1:关系代词that和关系副词why不能引导非限制性定从。 注意2:what不能引导定语从句 Rewrite the sentences using relative clauses. Example: I have downloaded that free app, but it doesn’t work well. that free app=it ①找共同 ②判主从 主句:整句话的核心含义; 从句:起修饰共同名词作用。 主句:The free app doesn’t work well. 从句:I have downloaded that free app. ③主照抄,从省同,选词替 The free app which/that (物,缺宾)I have downloaded doesn’t work well. 选词:看指代,看成分 1.He showed me a photo in his room. It was a photo of a famous cultural relic in Egypt. 找相同:a photo = it 判主从:主:It was a photo ... 从:He showed me ... 主照抄,从省同,选词替: 物,宾语 The photo (which/ that) he showed me in his r ... ...

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