用定语从句扩句学案-高三英语二轮复习

定语从句可以用来修饰各种各样的句子成分定语从句可以分为限定性定语从句和非限定性定语从句区别是限定性定语从句和它所修饰的先行词关系更为紧密，是句子理解所必要的信息非限定性定语从句即使没有也不会影响主要意思的理解是非必须的一.基本规则说明姓名定语从句又名形容词性从句功能修饰名词，使名词更加形象具体原理有相同部分的两个简单句的合并明确两个概念先行词，后行词简单句扩展必备-定语从句例一

1.1amlookingforaman.

2.Themanisrichtallandhandsome.Iamlookingforamanthemanisrichtallandhandsome.aman/theman重复，后行词theman指人转换为who例二

1.ThebookiswrittenbyJaneAusten.

2.1amreadingthebook.ThebookthebookIamreadingiswrittenbyJaneAustenthebook重复，后行词thebook指物转换为that/which例三.Heistheman..Hiswalletwaslost.Heisthemanthemanswalletwaslost.theman重复，后行词his/her/their等形容词性物主代词转换为whose例四Thisisthevillage.wasborninthevillage.ThisisthevillageinthevillageIwasborn后行词是介词+表地点名词，替换为where.例五remembertheday.OnthedayIjointheclub.IrememberthedayonthedayIjointheclub.后行词是介词+表时间名词，替换为when.例六Thisisthereason.Forthatreasonherefusedtheoffer.Thisisthereasonforthatreasonherefusedtheoffer.后行词是forthisreason用why替换连句原始句子:Smartphonebynatureisjustanelectronicdevice.Itisonlyasgoodaswhatweuseitfor.改写后:Smartphonebynatureisjustanelectronicdevicewhichisonlyasgoodaswhatweuseitfor.Tips.•使用非限制性定语从句，可以轻轻松松地连接两句句子哦这里的which指代前面的句子原始句子:Thefirstkindofextremeweatheristhunderstorm.ItiscommontoseethunderstorminShanghaiinsummer.改写后:ThefirstkindofextremeweatheristhunderstormwhichiscommontoseeinShanghaiinsummer.7加s.•使用非限制性定语从句，可以轻轻松松地连接两句句子哦这里的which指代前面主句中的thunderstorm在从句中做宾语段落学生原文:Stormisoneofthecommonestweatherinourlife.Whenithappenstherewillbeheavyrainandstrongwinds.Stormhasmanykinds.Thefirstkindisthunderstormthecommonestweatherinstorms.Itwillbethunderwillbelightningintheskyeachlightningisverybrightandthesoundwillbeveryloudbutitwonttakedamagestous.Thesecondkindofstormsistyphoon.TyphoonshappeneveryyearinChinaespeciallyincoastalareaslikeShanghai.Itwillbeverystrongwindwhentyphoonhappens.+形容词性从句Stormisoneofthecommonestweatherthatbringsheavyrainsandstrongwinds.+定语从句//ThefirstisthunderstormwhichwecanoftenseeinsummerinShanghai.//Typicalthunderstormweatherwouldbringbrightlighteningandloudthunderwhichhoweverwouldntdoanydamagestous.改写后Stormisoneofthecommonestweatherthatbringsheavyrainsandstrongwinds.Stormhasmanykinds.ThefirsttypeisthunderstormwhichwecanoftenseeinsummerinShanghai.Typicalthunderstormweatherwouldbringbrightlighteningandloudthunderwhichhoweverwouldntdoanydamagestous.ThesecondkindofstormsistyphoonthathappenveryoftenincoastalareasofChina.练一练Firstyoumustknowwhatthetopicisaboutandlistdownallyourideas.Thisstepiscalledbrainstorming.Thenyouneedtocrossoutunnecessaryinformationandorganizeyourideas.Thisstepiscalledmindmap.参考答案Firstyoumustknowwhatthetopicisaboutandlistdownallyourideaswhichiscalledbrainstorming.Thenyouneedtocrossoutunnecessaryinformationandorganizeyourideaswhichiscalledmindmap.。