定语从句课件 (2).ppt

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1、定定 语语 从从 句句回忆一下，什么是定语从句？回忆一下，什么是定语从句？ 1. Mary is a girl with long hair. 2. Mary is a girl who has long hair._ 句子作定语句子作定语_介词短语作定语介词短语作定语（定语从句）（定语从句）修饰名词或代词的从句叫定语从句修饰名词或代词的从句叫定语从句。定语从句的结构：定语从句的结构： 先行词先行词 + 关系词关系词 +定从定从先行词先行词关系词关系词先行词先行词：被定语从句修饰的名词或代词被定语从句修饰的名词或代词关系词关系词：连接定语从句和先行词的连词连接定语从句和先行词的连词金睛火眼金睛

2、火眼判断句子是否含有定语从句？ 1.China is a great country that has about 5 000 years of history. 2.He who learns but does not thinks is lost. 3.In ancient China ,emperors thought that they themselves were real dragons and the sons of Heave.定语从句：先行词定语从句：先行词 + 关系词关系词 +定从定从（名词（名词代词）代词）关系副词关系副词关系代词关系代词- -复习定语从句中的关系代词复

3、习定语从句中的关系代词关系代词关系代词: that, which, who, whom, whose（重点重点）关系代词有哪些？关系代词有哪些？PracticePractice用关系代词用关系代词that、which、who、whom、whose填空填空。1. The girl _ dress is red comes from America.2. April 1 is the day _ is called April Fools Day in the west.3. The family _had lost everything in a big fire got much help f

4、rom their friends.4. The house _ _ we live in is very old.5. Didnt you see the man _ _ I talked with just now. whosewhosewhich/thatwhich/thatwho/thatwho/that（that/which that/which ）（that/who/whomthat/who/whom）小结关系代词的用法小结关系代词的用法1 1.that指指，在从句中作，在从句中作，作，作时不可省略，作时不可省略，作可省略。可省略。 指指，在从句中作，在从句中作，作作不可省略，作不

5、可省略，作可省略。可省略。 指指， who who 用作用作，whomwhom用作用作。在口语中，有时可用。在口语中，有时可用whowho代代whomwhom，也可省略，也可省略指指，在从句中作，在从句中作, , 常常放在名词前，不可省略。放在名词前，不可省略。4.whose（谁的）（谁的）3.Who，whom2.which（考点一）（考点一）人或物人或物物物人人人或物人或物主语或宾语主语或宾语主语或宾语主语或宾语主语或宾语主语或宾语宾语宾语定语定语主语主语宾语宾语主语主语宾语宾语用关系代词用关系代词that、which、who、whom、whose完成句子：完成句子：1. Is there

6、a student _ father is a business man?2.Ive never heard of the people and things _ you talked about just now.whosethat当先行词同时指人和物时，关系代词只能用that.Exercise3.Say all _ you know.4.Is there anything _ I can do for you?thatthat当先行词是something, anything, nothing, all 等词时，关系代词只能用that.5.This is the first play _ I

7、 have seen since I came here.6. This is the best novel _ I have read.thatthat当先行词被序数词，最高级序数词，最高级等词修饰时，关系代词只能用that.7.Who is the girl _is standing under the tree?8. Which is the machine _ we used last Sunday.当主句是who或或which 引导的特殊疑问句引导的特殊疑问句，而中心词指人或物时，关系代词只能用that.thatthat2. 先行词是先行词是 something, nothing,

8、anything none等不定代词时等不定代词时,只能只能 用用that. 5. 先行词是先行词是all, any, few, much, little, the one 或被或被他们他们 修饰时修饰时,只用只用 that .4. 4. 先行词有先行词有the very, the only, the samethe very, the only, the same等修饰时等修饰时, ,只用只用that .that .1.1.先行词既有先行词既有人人也有也有物物时时, ,只能用只能用that.that.6.6.当当主句主句已有已有疑问词疑问词 who who 或或 whichwhich时，时，

9、只只用用thatthat3. 先行词被先行词被形容词最高级形容词最高级或或 序数词序数词修饰时修饰时,只用只用that 如果先行词指如果先行词指物物, 关系代词可用关系代词可用 _或或_ ！但下列情况只用关系代词但下列情况只用关系代词that,而不能用而不能用which：thatwhich （考点二）（考点二） 选择正确的答案选择正确的答案 1. He is the student_ good at English. A. who does B. that is C. whom do D. that are 2.We are looking for a thief _ parrots and

10、necklaces.A. who like stealing B. who likes stealing C. that like to stea D. which likes to steal 考点三考点三：当关系代词在从句中作主语时，谓语当关系代词在从句中作主语时，谓语动词在人称和数上必须与先行词保持一致。动词在人称和数上必须与先行词保持一致。 3.He is really a man from _I can learn a lot. Awho Bthat Cwhom DWhich 4.Is this the library from_you borrow the books? Awho

11、Bthat Cwhen Dwhich考点考点四四：关系代关系代词前有介词时词前有介词时，先行词先行词是是人人, ,关系代关系代词词只能用只能用whom, whom, 先行词是事物时先行词是事物时，关系代，关系代词词只能用只能用whichhich先行词（指人）先行词（指人）+介词介词+关系代词（关系代词（whom）+定从定从先行词（指物）先行词（指物）+介词介词+关系代词（关系代词（which）+定从定从 (2010广东广东) Pauls uncle is the man _ taught us math last year. A. whereB. which C. whoD. when（201

12、1广东）广东）The first thing _ my brother is going to do this afternoon is to write a letter. A. whichB. that C. why D. whoCB(2012年)There will be a flower show in the park_ we visited last week. Awho Cwhat Bwhen Dwhich(2013年)The young lady _ is interviewing Lin Zhixuan about the program I am a singer is f

13、rom 21st CenturyTalent Net. Awho Bwhom Cwhich Dwhose .(2014年)When Robinson Crusoe got to the island the first thing _ he did was to look for some food. Awho Bwhom Cwhich DthatDADSummary：1.1.小结关系代词的用法小结关系代词的用法 3. 3.当关系代词在从句中作主语时，谓语动词在人当关系代词在从句中作主语时，谓语动词在人称和数上必须与先行词保持一致。称和数上必须与先行词保持一致。 4. 4.关系代关系代词前有介

14、词时词前有介词时，先行词先行词是是人人, ,关系代词关系代词只能只能用用whom, whom, 先行词是事物时先行词是事物时，关系代，关系代词只能用词只能用w whichhich.2.2.小结了只能用关系代词小结了只能用关系代词thatthat的情况（的情况（6 6点）点）（复习了定语从句四个考点复习了定语从句四个考点）定语从句中的关系代词的用法： who 指人指人 作作主语主语或或宾语宾语 whom 指人指人 作作宾语宾语 that 指人指人/物物 作作主语主语或或宾语宾语 which 指物指物 作作主语主语或或宾语宾语 whose 指人指人/物物 作作定语定语，置于名词前，置于名词前只用关

15、系代词只用关系代词that的情况：的情况：1.先行词既有先行词既有人人也有也有物物时时,只能用只能用that.2.先行词是先行词是 something, nothing, anything none等不定代等不定代词时词时,只能只能 用用that3. 先行词被先行词被形容词最高级形容词最高级或或 序数词序数词修饰时修饰时,用用that 4. 先行词有先行词有the very, the only, the same等修饰时等修饰时,用用that5. 先行词是先行词是all, any, few, much, little, the one 或被他们或被他们 修修饰时饰时, 用用 that .6.当当主句主句已有已有疑问词疑问词 who 或或 which时，用时，用that see you see you