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1、,根据所掌握的定语从句的知识，熟练地使用定语从句也是高考英语写作的一项基本要求。定语从句属于较为复杂的语法结构，根据内容要点在短文中适当地运用定语从句有助于提高写作的得分。,一、that,which引导定语从句当先行词为物时常用that或which来引导定语从句，很多情况下两者可以互换。Our class is a big family that/which consists of 12 girls and 50 boys.我们班是一个拥有12个女生和50个男生的大家庭。,点津that和which在从句中作宾语时可以省略。To make our society more harmonious,
2、wed better take care of the environment(that/which)we live in.为了使我们的社会更加和谐，我们最好爱护我们所居住的环境。,二、who,whom,whose引导定语从句当先行词为人时常用who,whom引导，也可用that。如果从句中缺少的是主语那么就用who引导；如果缺少的是宾语可用whom，也可以用who引导，关系代词也可以省略。whose在从句中作定语，既可以指人，也可以指物。Those who would like to take part may sign up in the Students Union Office bef
3、ore October 20th.(作主语),凡想参加的(同学)可以在十月二十日前到学生会办公室报名。Is that the man whom you referred to?(作宾语)那就是你所指的人吗？Last Sunday,I organized a survey in my neighborhood,whose topic is“Which safety problem is the one you are most concerned about”.(作定语)上周日，我在我的社区进行了一次社会调查，其主题内容是“你最关注的安全问题是什么”。,三、as引导定语从句as指人或物，作主语、
4、宾语或表语。as引导定语从句时常用在the same.as,such.as结构中。I want to buy the same Tshirt as Tom is wearing.我想买一件和汤姆穿的一样的T恤衫。,点津as和which还可以引导非限制性定语从句，来修饰整个句子。As we can see,great changes have taken place in our hometown.正如我们所看到的，我们家乡已经发生了巨大的变化。Li Ming got up late this morning,which made it impossible for him to catch t
5、he early bus.李明今天早上起晚了，这使他不可能赶上早班车了。,四、when引导定语从句when指时间，作状语。I will never forget the day when I joined the army.我将永远不会忘记我参军的那一天。点津当表示时间的先行词在从句中不是作状语，而是作主语、宾语或表语时，必须用关系代词that或which引导定语从句，而不用when。The film reminded me of those miserable days(that/which)I spent in my childhood.这部电影使我想起了我童年时代度过的那些苦难日子。,五
6、、where引导定语从句where指地点，作状语。As a child,he used to work hard and help his father on the small farm where they lived.当他还是一个小孩的时候，他经常艰苦地劳动，并帮助他的父亲在他们所生活的小农场上干活。,点津当表示地点的先行词在从句中不是作状语，而是作主语、宾语或表语时，必须用关系代词that或which引导定语从句，而不用where。This is a beautiful place(that/which)people all over the world look forward to visiting.这是一个世界各地的人都渴望参观的美丽的地方。,六、why引导定语从句why指原因，作状语。Nobody knows the reason why he is often late for school.没人知道他为什么上学总迟到。The reason why Tom didnt come to school yesterday was that he was ill.汤姆昨天没来学校的原因是他生病了。,点击此图片进入“针对训练”,
