必修二unit1定从与非限制定从的区别

1、2 The amber which was selected had a beautiful yellow-brown1 The gift was amber room,which was given this name becauseAttribute clauses in the text3 It was also a treasurewhich took the countrys best artists4 Frederick williamI,to whom the amber room belonged5 Later,Catherinepalace outside St peters

2、burg where she spent her summers7This was a time when the two countries were at war.6 In 1770 the room was completed the way she wanted.Attribute clauses in the text8 There is no doubt,which was at that time a German city 两类从句的区别两类从句的区别1 作用不同作用不同 限制限制-附加，补充附加，补充Eg: Her sister who teaches us English

3、will go abroad next year. Her sister, who teaches us English,will go abroad next year.2 形式不同形式不同 有逗号有逗号-无逗号无逗号3 先行词不同先行词不同 词词-词或一个句子词或一个句子两类从句的区别两类从句的区别4 关系词的使用情况不同关系词的使用情况不同 不同点限定从非限定从关系词不同可用that/why不用that/why,要用which/for which 关系词省略不同关系代词作宾语可省所有关系词不可省两类从句的区别两类从句的区别5 翻译不同翻译不同Eg:Our school has two f

4、oreign teachers, both of whom came from America. The foreigner who comes from America teaches us English.当我们做非限制性定语从句的练当我们做非限制性定语从句的练习时，往往先确定先行词，然后习时，往往先确定先行词，然后再分析先行词在从句中的作用，再分析先行词在从句中的作用，再对关系词加以选择。再对关系词加以选择。整理一番整理一番Which和和as 引导的非限定从的异同引导的非限定从的异同相同点：相同点：当非限定从句在句末，且在从句中作主，宾，表，当非限定从句在句末，且在从句中作主，宾，表，指

5、代整个主句内容时，两者可互换指代整个主句内容时，两者可互换异同点异同点: (1) as引导的从句放句首或句中，引导的从句放句首或句中，which只能只能放在句末。放在句末。Which和和as 引导的非限定从的异同引导的非限定从的异同(2)当定语从句的谓语为当定语从句的谓语为know,explain,say,expect,imagine,show,report,announce,point out等行为动词的被动形式时，常用等行为动词的被动形式时，常用as. Eg:She has been late again, as was expected.As is reported in the lea

6、ding newspapers,we have won all the gold medals in the game.It rained hard yesterday, which prevented me from going to the park.Which和和as 引导的非限定从的异同引导的非限定从的异同(3) 当主从句一致时，用当主从句一致时，用as，表，表“正如正如”，反之用，反之用whichEg：The thief came again, as was expected.The elephant is like a snake, which is not right.Which

7、和和as 引导的非限定从的异同引导的非限定从的异同(4) As 常用于以下结构：常用于以下结构：as has been said before 如前所述如前所述as often happens 正像经常发生的那样正像经常发生的那样as is well known 众所周知众所周知as will be shown in Picture 3 将如图将如图3所示所示as we know 正如我们知道的那样正如我们知道的那样as may be imagined 这可以想象得出来这可以想象得出来as we all can see 正如我们大家看到的那样正如我们大家看到的那样as appears正如所显示

8、的正如所显示的as often happens正如所发生的正如所发生的 as I understand正如我所有明白的正如我所有明白的Which和和as 引导的非限定从的异同引导的非限定从的异同(5)定语从句为复合宾语时，常用定语从句为复合宾语时，常用whichEg：He didnt pass the exam， which made his mother angryWhich和和as 引导的非限定从的异同引导的非限定从的异同(6) as含有正如、按照、正像之意，含有正如、按照、正像之意，as一般用在一般用在肯定句中，而肯定句中，而which则则 多用于多用于含否定意义含否定意义的句子的句子E

9、g：The secret spread quickly,which he hadnt expected before 错漏错漏“摆摆”出出uAnyone who break the law will be punished.uThis is one of the books which was written by him.uSome of the boys I invited them didnt come.uThe book that you need it is in the library.uThe tomatoes were on the table were given to you.定从中常见错误归纳定从中常见错误归纳breakswere去掉去掉them去掉去掉it在在were前面添加前面添加that/which错漏错漏“摆摆”出出uThe room where he lives in is bigger than mine.uI still remember the day when