人教版（2019）选择性必修第一册 Unit 1 People of Achievement Learning About Language课件（共27张）.pptxVIP

Discoverusefulstructures;定语从句;Todistinguishnon-restrictiverelativeclausesfromrestrictiverelativeclauses.

Tomakesentencesusingnon-restrictiverelativeclauses.;Readthefollowingsentencesandunderlinetherelativeclauses.Thennamethetwotypesofclausesandstatetheirfunctions.;2.TuYouyouwasawardedtheNobelPrize,whichisconsideredoneofthehighestinternationalhonorsapersoncanreceive.;先行词：

被修饰的名词或代词;先行词;先行词;一、定义

定语从句可以分为限制性定语从句和非限制性定语从句。

;定语从句就其与先行词的关系可分为限制性定语从句和非限制性定语从句。;二、作用不同

限制性定语从句对先行词进行修饰和限制，如果去掉会造成句意的不完整；

非限制性定语从句对先行词是修饰，补充解释说明或对主句进行评述，去掉不影响。如：

Franklinwasthefirstmanwhodiscoveredthenatureofelectricity.

Franklin,whowasveryyoung,discoveredthenatureofelectricity.;三、先行词不同

限制性定语从句的先行词一般是名词或代词，非限制性定语从句的先行词既可以是名词或代词,也可以是主句的一部分或整个主句。如：

Thingsthenimproved,whichsurprisedme.

（先行词为整个主句）;一、定义

定语从句可以分为限制性定语从句和非限制性定语从句。

;Hehastwosonswhoworkinthesamecompany.;1.Isawtheguywhodeliversmymailintownyesterday.

2.Illalwaysremembertheriverwherewelearnedtoswim.

3.Doyouknowthereasonwhytheskyisblue?

4.ShesthepersonwhosedaughtergoestoHarvard.;1.Paris,whereIspentsixmonthsstudying,isthemostbeautifulcityintheworld.

2.Thewomandownthestreet,whosechildrenarethesameageasyours,invitedusoverfordinnernextweek.

3.Themovie,whichismyfavoritecomedyofalltime,isbeingshownonTVtomorrownight.;;关系代词指人，作介词的直接宾语时用whom,（不可用who/that）；关系代词指物，作介词的直接宾语时用which,（不能用that）.;P18;P19;Summary;Summary;1.Wewereveryimpressedbytheoldman.Hewasnotwillingtoacknowledgedefeat.

2.Afterwards,EinsteinhadtofleeGermany.Hitlerwasinpowerthere.

;Practice;5.ThebuildingunderconstructionwasdesignedbyI.M.Pei

--afamousChinese-Americanarchitect.HewasborninGuangzhou,China.

6.Iwasaskedtoexplaintheprojectwiththehelpofaflowchart.Itwasabigchallengeforme.

;ThankYou