《2012届高考英语语法专题复习定语从句特例.docx》由会员分享，可在线阅读，更多相关《2012届高考英语语法专题复习定语从句特例.docx（2页珍藏版）》请在三一文库上搜索。
1、2012 届高考英语语法专题复习定语从句特例引导非限制性定语从句， 当先行词是一个单词或词组时， 我们只用 which 引导， 不用 as 引导。例如：1, Beijing, which will hold the 2008 Olympic games, is becoming more and more beautiful.但当代替的是主句的全部内容时，区别如下：一， As 引导的非限制性从句可置于主句之前，之中或之后，而which 引导的非限制性定语从句只能放在主句之后。例如：1， As we know, the earth goes around the sun.2, The earth
2、 goes around the sun., as we know.3,The earth, as we know, goes around the sun .4 , The earth goes around the sun, which makes us get enough sunlight.二，As引导的从句有“正如，正像，之意，而 which引导的从句则没有此意，因此，当主从句语意一致时，只用 as 引导 , 不用 which 引导。常用句式有： as anybody can see,as we expected, as we know, as is often the case,
3、as we hoped， as often happens 等例如：1,He is a kind man, as has been said above .5 ,She has married again, as was expected.3, She has married again, which was unexpected .三， As 作从句主语，而且从句为被动语态，此时不用 which 引导；若从句为主动语态，一般用 which 引导。例如：1， Their team won the game again , as was reported.2,Tom has made great
4、 progress, which delighted us .As 作此种用法时，常用的句式有： as is known to us all, as is said above, as isannounced,As was reported, as is mentioned above ,as is reported, as is expected, as is discussed 等。四， Which 引导的非限制性定语从句指代整个主句内容时，从句的谓语带有宾语，有的还带有宾语补足语。此时 Which无词义,只是代表主句的意思,可以译为“这件事,这一点;而As可 以译为正如。例如下面这些句子
5、中的which就不能替换为as 。1， I shall never forget those years when I lived in the country with the farmers, which has a great effect on my life.2 , Bamboo is hollow, which makes it very light .3 .Tom made rapid progress at school, aswhich pleased his parents a lot .x五 ,As 引导的非限制性定语从句常表示主动，而 which 引导的非限制性定语从句
6、常表示被动。例如：1, He says he has a lo t of money, which isn? - t true .2, He has a lot of money, as he says .另外 as 引导限制性定语从句时，主要与 the same, such 等连用。例如：1， Let children read such books as will make them better and wiser.让孩子们读那些能使 变得更好更聪明的书。2, This is the same book as was bought in the bookstore yesterday.A
7、s与such结合引导限制性定语从句时，要注意和 suchthat引导的结果状语从句区分开。例如：1， He gets such a good book as we all want to read first.2, He gets such a good book that we all want to read it first .3.Only such things can be proved can be regarde as facts .在第一句中， as 作为 read 的宾语， as 引导的是定语从句，而在第二句中， that 引导的是结果状语从句， read 必须跟 it 宾语；而在第三句中指代事物的先行词前虽然有only ， 但此处only并不是直接修饰things ,而且也不是“唯一”的意思。此题考察固定结构suchas ，故空格处应该填上as 。作为高中生，掌握了 as 和 which 这些基本用法，并加以适当的练习，定能以不变应万变了。 用心 爱心 专心- 2 -