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1、定语从句定语从句主要考查关系代词的选择。定语从句主要考查关系代词的选择。一、定语从句（一）：一、定语从句（一）：1.定语从句的概念：定语从句的概念：在复合句中，修饰某一名词或代词的从句叫定语从句。2.先行词：先行词： 被定语从句修饰的名词或代词叫先行词。3.关系词：关系词： 引导定语从句的连词叫关系词。如that、which、who、whom、whose、where、when等。4.由由that、which、who、whom、whose引导的定语从句。引导的定语从句。二、定语从句（二）二、定语从句（二）1.先行词是物时，一般情况既可用先行词是物时，一般情况既可用that也也可用可用which.
2、但下列情况下，只能用但下列情况下，只能用that不不用用which。1).当先行词为指物的不定代词，如当先行词为指物的不定代词，如all、everything、something、anything、nothing、none、the one等时，只能用等时，只能用that。There is nothing _ I can do for youI have nothing that can be read.我没有什么可读的。 .2).当先行词被当先行词被the only、the very 、the last、all、no、little等词修饰时，等词修饰时，只能用只能用that。This is t
3、he very book _ Im looking for .3).先行词被序数词修饰时，只能用先行词被序数词修饰时，只能用that 。This is the first nextbook _ I studied in the middle school .4).先行词为最高级或被最高级修饰时，先行词为最高级或被最高级修饰时，只能用只能用that。This is the most beautiful mountain _ I have ever seen .=I have _ seen _ a beautiful mountian .5).先行词既有人也有物时，只能先行词既有人也有物时，只能t
4、hat 。He told us many interesting things and persons _ we had .2.先行词是物时，一般情况既可用先行词是物时，一般情况既可用that也可用也可用which.但下列情况下，只能用但下列情况下，只能用which不用不用that。1).关系代词前有介词时，关系词只能用关系代词前有介词时，关系词只能用which 。This is the building in _ he lives .2).先行词本身是先行词本身是that时，关系词只能用时，关系词只能用which 。The clock is that _ tells the time .3)
5、.引导非限定性的定语从句（先行词是物且先行引导非限定性的定语从句（先行词是物且先行词与关系词用逗号隔开），关系词用词与关系词用逗号隔开），关系词用which。His book , _ was lost last week , has been found now.3.先行词是人时，一般情况下既可用先行词是人时，一般情况下既可用who 也可用也可用that 。但以下情况下，只能用但以下情况下，只能用who。1).当先行词为当先行词为those、one、ones、anyone且作主语时，一般用且作主语时，一般用who 。Those _ are singing are all my classmat
6、es .2).在在there be 句型中，先行词指人时，句型中，先行词指人时，只能用只能用who。指物时用指物时用that。There is a girl _ expects to see you .3).当先行词是当先行词是I、you、he、they等时，等时，只能用只能用who 。He _ plays with fire gets burned .练习与巩固：熟能生巧，取得好成绩！练习与巩固：熟能生巧，取得好成绩！( )1. The man _ is standing there is my father. A. who B. whom C. which( )2. Tom is the
7、only person_I can depend on. A. that B. which C. who ( )3. It is the best film _ she has ever seen.A. that B. which C. when ( )5. Beijing is the 29th city _ holds the Olympic Games. A. where B. that C. which D. what ( )6. The football match _ I watched yesterday is fantastic!A. when B. that C. what D. who ( )7. China is a country _ has a long history. A. who B. which C.where 总结1.关系代词的正确选择2.恰当运用到写作当中
