1、Lead-inWarm up请把我桌子上的书递给我。Please pass me the book which/that is on my desk.Please pass me my Chinese book,which is on my desk.请把我的语文书递给我，它在我桌子上。Translate非限制性定语从句是对先行词的附加说明附加说明，去掉之后，意思明确，与主句通常用“，”隔开，把非限制性定语从句放在句子中，其前后都需要用逗号隔开。限制性定语从句是先行词不可缺少的部分，去掉之后，主句意思不明确。先行词不唯一，缩小范围，限定。先行词唯一，没必要限定，为附加说明。限制性定从和非限制性
2、定从的区分限制性定从和非限制性定从的区分限制性定从限制性定从关代:that,which,who,whom,as 关副:when,where,why=介词+which关形:whose=of which,of whom_非限制性定从非限制性定从关代:that,which,who,whom,as 关副:when,where,why=介词+which关形:whose=of which,of whomfor which限制性定从和非限制性定从的区分限制性定从和非限制性定从的区分Sentence Type Antecedent(先行词）Part of speech in a sentence(句子成分）F
3、unction1.restrictive2.non-restrictive3.non-restrictive4.non-restrictive1.hundreds of Chinese medical treatments2.the Nobel Prize3.Hainan4.malaria patients1.subject2.subject3.adverbial4.object1.Describe and modify(修饰）the kind of medical treatments they tested.2.Give extra information about the Nobel
4、Prize.3.Give extra information about Hainan.4.Give extra information about the patients.which 引导的非限制性定语从句as 引导的非限制性定语从句介词+关系代词非限定性定语从句中代整个主句时，只能用非限定性定语从句中代整个主句时，只能用whichwhich和和asas1）整个主句是名词关系代词 2）整个主句不是人which和as1.含义：which 这件事/这一个，as正如2.位置：which放主句后面，as随意3.时间：which分先后，主句先发生，后评价 as不分先后，不强调顺序1.which 引导
5、的非限制性定语从句 which指代主句中的名词，被指代的名词包括表示物、婴儿或动物的名词、表示单数意义的集体名词以及表示职业、品格等的名词。These apple trees,which I planted three years ago,have not borne any fruit.She is an artist,which I am not.The two policemen were completely trusted,which in fact they were.那两个警察完全受到信任，事实上，也真是如此。which指代主句中的形容词。She was very patient
6、 towards the children,which her husband seldom was.She is always careless,which we should not be.which指代主句中的某个从句。He said that he had never seen her before,which was not true.2.as引导的非限制性定语从句 1.as 引导的非限制性定语从句，既可在主句前，又可在主句后，有时还可插入主句中；2.当as在从句中作主语时，后面常接动词的被动语态，如：be known,be said,be reported,be announced
7、等。如果从句中的动词是主动语态，一般用which 作主语。She has been absent again,as is expected.As is known to everybody,the moon travels around the earth.The weather turned out to be very good,which was more than we could expect.as 常见搭配 as is known to all 众所周知众所周知 as you know 正如你所知道的那样正如你所知道的那样 as is expected 正如所预料的那样正如所预料的
8、那样 as we expected 正如我们所期待的正如我们所期待的 as has been mentioned above 正如上面所提到的正如上面所提到的 as is reported/said 正如正如报道报道/所所说说的的那样那样QuizNow Mary works from 9 a.m.to 5 p.m.daily at the pet shop in Macclesfield,_ she opened with her husband Bob.(2018天津高考)Kate,_ sister I shared a room with when we were at college,h
9、as gone to work in Australia.He,_ you know,is an excellent basketball player.He often comes to school late,_makes his teacher angry.Opposite is a music school,_ you can hear some lovely music.whichwhoseaswhichwhere3.介词+关系代词当关系代词在定语从句中作介词宾语时，我们通常用“介词+关系代词”引导定语从句。如果指“人”，用“用介词+whom”，如果指“物”，用“介词+which”。
10、*“介词关系代词”前可有 some,any,none,both,all,neither,most,each,few,three,several 等代词或数词(相当于“介词关系代词代词/数词”)，也可以有名词(相当于“whose名词”)。先行词的意义句中动词或形容词与先行词的固定搭配句子含义介词如何选用？1.Is this the car _ you paid a high price?2.She is the person _ I talked.3.He brought the result _ the boss was satisfied.4.He came to a farm,_he fi
11、nally settled down.5.Do you still remember the day _ we met for the first time?6.Do you still remember the days _we worked together?7.Later,the medicine was tested on malaria patients,_ recovered.后来，该药在疟疾患者身上进行了测试，大多数患者都康复了。8.I bought many books yesterday,_ are written by Lu Xun.我昨天买了很多书，其中三本是鲁迅写的。Q
12、uizfor whichwith whomwith whichon which on whichduring whichmost of whomthree of which限制性定语从句非限制性定语从句从句与先行词关系紧密，对先行从句与先行词关系紧密，对先行词的意义起限定作用，词的意义起限定作用，不可或缺不可或缺从句对先行词或整个主句起补充从句对先行词或整个主句起补充说明、解释、评论说明、解释、评论等作用等作用只能修饰先行词，只能修饰先行词，不修饰整个主句不修饰整个主句 既可修饰先行词，又可修饰整个既可修饰先行词，又可修饰整个主句主句可用可用that引导从句引导从句可用关系代词和关系副词，但通可用关系代词和关系副词，但通常不能用常不能用that引导从句引导从句从句前一般从句前一般不用逗号不用逗号隔开隔开从句和先行词或主句之间一般从句和先行词或主句之间一般用逗号隔开用逗号隔开限制性定语从句和非限制性定语从句的区别
