SectionⅡDiscoveringUsefulStructuresGrammar——定语从句(Ⅰ)[新知导引]诵读下列例句并感知画线部分的共性1.Thereweredeepcracksthat/whichappearedinthewellwalls
2.Twothirdsofthepeoplewholivedthereweredeadorinjured
3.Thenumberofpeoplewhowerekilledorbadlyinjuredinthequakewasmorethan400,000
4.Soonafterthequakes,thearmysent150,000soldierstoTangshantodigoutthosewhoweretrappedandtoburythedead
5.Workersbuiltsheltersforsurvivorswhosehomeshadbeendestroyed
6.AdoctorwithwhomJamesusedtoworkdiedinthe2016earthquakeinEcuador
7.Theboywhosefatherisateacherisanewclassmateofmine
Chinaisacountrythat/whichhasalonghistory
[共性呈现]1.第2、3、4句中的定语从句使用了关系代词who,在定语从句中作主语
2.第1、8句中的定语从句使用了关系代词which/that,在定语从句中作主语
3.第6句中的定语从句使用了关系代词whom,在定语从句中作宾语
关系代词who/whom常用来指代人;关系代词that/which常用来指代物;关系代词that既可以指人也可以指物
4.第5、7句中的定语从句使用了关系代词whose,在定语从句中作定语,它既可以指人也可以指物