资源描述：
《2021_2022学年新教材高中英语Unit5LanguagesAroundtheWorldSectionⅡDiscoveringUsefulStructures课件新人教版必修第一册.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、SectionⅡDiscoveringUsefulStructures走近新课·一起感知语法探究·一起思考随堂练习走近新课·一起感知指出下列句子中的定语从句1.Itwasatimewhenpeopleweredividedgeographically.答案:whenpeopleweredividedgeographically2.EmperorQinshihuangunitedthesevenmajorstatesintooneunifiedcountrywheretheChinesewritingsystembegantodevelopinonedirection.答案:whereth
2、eChinesewritingsystembegantodevelopinonedirection3.Therearemanyreasonswhypeoplelearnaforeignlanguage.答案:whypeoplelearnaforeignlanguage4.ThesewereanimalbonesandshellsonwhichsymbolswerecarvedbyancientChinesepeople.答案:onwhichsymbolswerecarvedbyancientChinesepeople语法探究·一起思考语法精讲定语从句(二)一、“介词+关系代词”引导的定语
3、从句1.关系代词的选用在介词后做宾语的关系代词一般只有which和whom。如先行词是物,引导词用which;如先行词是人,引导词用whom。ThisistheshiponwhichIwenttoShanghai.这就是我去上海所乘坐的轮船。ThisisthestudentforwhomIboughtthebook.这就是我给买书的那个学生。2.介词的选用(1)根据从句中谓语动词的搭配习惯。ThisisthebookonwhichIspent10yuan.(on与spend搭配)ThisisthebookforwhichIpaid10yuan.(for与pay搭配)这就是我花了10元买的
4、那本书。(2)根据先行词的搭配习惯。IstillrememberthedayonwhichIfirstcametothisschool.(on与theday搭配)我仍然记得我第一次来学校的那天。(3)表“所有”关系或“整体中的一部分”时用of,ofwhich/whom有时可用whose转换。Theoldwomanhastwosons,bothofwhomaredoctors.那位老人有两个儿子,他们都是医生。Thattablehasfourlegs,allofwhichareveryshort.那张桌子有四条腿,它们都很短。Theyliveinahouse,whosewindowsfac
5、esouth.=Theyliveinahouse,thewindowsofwhichfacesouth.他们住在一个窗户朝南的房子里。(4)根据定语从句所表达的意义来确定介词。Air,withoutwhichmancan’tlive,isreallyimportant.空气太重要了,没有它人类就不能生存。3.介词的位置介词一般放在关系代词which和whom之前,也可放在原来的位置。Thehouseinwhichweliveisnotlarge.=Thehouse(which/that)weliveinisnotlarge.我们住的房子不大。ThisisthemanfromwhomIle
6、arnedthenews.=Thisistheman(that/who/whom)Ilearnedthenewsfrom.这就是告诉我消息的那个人。二、关系副词引导的定语从句常见的关系副词有when,where,why。1.when引导的定语从句修饰的先行词是表示时间的词,如time,moment,month,day,year等,在定语从句中做时间状语。Doyourememberthedaywhenhewasborn?(Hewasbornontheday.→ontheday做时间状语)你记得他出生的日子吗?Wedon’tknowtheexacttimewhentheywillreturn
7、.(Hewillreturnatthetime.→atthetime做时间状语)我们不知道他回来的确切日期。2.where引导的定语从句修饰的先行词是表示地点的词,如school,house,village等,在定语从句中做地点状语。Thisisthehousewherehewasborn.(Hewasborninthehouse.→inthehouse做地点状语)这就是他出生的房子。3.why修饰表示原因的词,在定语从句中做原因状
