如题所述
thatä¸å¼å¯¼ééå¶æ§å®è¯ä»å¥ï¼whichï¼whoï¼whomé½å¯ä»¥å¼å¯¼ééå¶æ§å®è¯ä»å¥ã
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The book from which (ä¸ç¨ that) I got a lot of useful information was written by a famous scientist. æä»ä¸å¾å°è®¸å¤æç¨ä¿¡æ¯çé£æ¬ä¹¦æ¯ä¸ä½èåç§å¦å®¶åçã
Who is the boy with whon (ä¸ç¨ that) you were talking a moment ago? åæåä½ è°è¯çé£ä¸ªç·å©æ¯è°ï¼
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The book (thatæwhich) I got a lot of useful information from was written by a famous scientist.
Who is the boy (thatæwhich) you were talking with a moment ago?
3) å½å è¡è¯æ¯all, everything, something, nothingçä¸å®ä»£è¯ï¼æ被 first, last, only, few, much, some, any, no以å形容è¯æé«çº§çè¯ä¿®é¥°æ¶ï¼åºè¯¥ç¨å ³ç³»ä»£è¯thatï¼ä¸ç¨whichãä¾å¦ï¼
I am interested in all that you have told me. ä½ åè¯æçä¸åæé½æå ´è¶£ã
He asked for the best bock that there was on the subject. ä»è¦æå ³è¿ä¸ªå 容çæ好ç书ã
4) å½å¹¶åç两个å è¡è¯åå«è¡¨ç¤ºäººåç©æ¶ï¼è¦ç¨å ³ç³»ä»£è¯thatå¼å¯¼å®è¯ä»å¥ãä¾å¦ï¼
We were deeply impressed by the teachers and schools that we had visited there. æ们å¨é£å¿è®¿é®è¿çèå¸åå¦æ ¡ç»æ们çä¸äºæ·±å»çå°è±¡ã
1.当先行词是不定代词,如all,everything,anything,nothing,much,few,little,none,the one等
2.先行词(指物的)前面有only,few,one of,little,no,all,every,very等词修饰时
3.先行词被序数词first,last,next等或形容词的最高级修饰时
4.当先行词既有人又有物时
5.当先行词是系动词be后面表语或关系词本身是从句的表语时
6.当主句是以who,which或what开头的特殊疑问句时
7.当主句以There be…结构开头时,或关系代词在there be…结构中作实义主语,先行项为物
8..当先行词是基数词时追答
、 定语从句中宜用that而不用which的情况
1) 先行词为all much little everything anything nothing none few the one 等不定代词;
e.g. I mean the one that was bought yesterday.
2) 先行词被形容词最高级或被only any few little no all one of等修饰时;
e.g. It’s the most important task that should be finished soon.
3) 先行词为数词或被序数词(包括last)所修饰时;
e.g. Look at these flowers. You can see the two that you gave me.
4) 先行词中既有人又有物时;
e.g. We were deeply impressed by the teachers and schools that we had visited.
5) 主语中已有who和which的;
6) 先行词在主句中做表语或关系代词在从句中做表语时;
e.g. It’s book that will help you a lot. My hometown is no long the place that it used to be.
2) 只能用that作为定语从句的关系代词的情况
a) 在不定代词,如:anything, nothing, everything, all, much, few, any, little等作先行词时,只用that,不用which。
All that is needed is a supply of oil.
Finally, the thief handed everything that he had stolen to the police.
b) 先行词有the only, the very, the just修饰时,只用that。
He is the very man that helped the girl out of the water .
c) 先行词为序数词(the last)、数词、形容词最高级时,只用that。.
The first English book that I read was “The Prince and the Pauper” by Mark Twin .
d) 先行词既有人,又有物时。
He talked about the teachers and schools that he visited .
e)当主句是以who 或which 开始的特殊疑问句时,用that 以避免重复。
Who is the person that is standing at the gate .
f)关系代词在从句中做表语
He is not the man that he used to be