高中英语课件：M1u1gr12.ppt

*When用关系副词when时，先行词表时间，在定语从句中作时间状语，when可换成“介词+which”Istillrememberthedaywhen(___which)IfirstcametoNo1highschool.Myfatherwasbornintheyearwhen(__which)WorldWarⅡbrokeout.oninwhere用关系副词where时，先行词指地点，在定语从句中作地点状语，where可换成“介词+which”Thisisthefarmwhere(___which)weworkedwhenwewereyoung.Theschoolwhere(____which)hismotherteachesisinthewestofthecity.oninwhy用关系副词why时，先行词指原因，在定语从句中作原因状语，why可换成“for+which”There’reseveralreasonswhy(forwhich)theboysshouldbepunished.Tomcouldn’tgivetheteacherthereasonwhy(forwhich)hewaslateforschool.判断关系代词与关系副词把先行词放回从句，看它在从句中做的成分1.如果不需要添词句子仍然完整，那先行词在从句中作主/宾/定（所属关系），选择关系代词。2.如果要添加介词才能够句子完整，那先行词在从句中作状语，应选择关系副词Thisisthehouse_____________hevisitedlastyear.比较:Thisistheroom________helivedlastyear.where(that/which)spacecapsuleIworkandliveinaspacecapsule.Spacecapsuleisaplace______anastronautworksandlives.whereItisaspacecapsule.1.I’llneverforgettheday____weworkedtogether.2.I’llneverforgettheday_____wespenttogether.when(which/that)对比训练1.Weshouldgototheplace_____wearemostneeded.2.Weshouldgototheplace_____needsusmost.A.itB.whereC.thatD.whatBC对比训练1.Iwenttothetown____welivedtenyearsago.2.Iwenttothetown_____wevisitedtenyearsago.where(which/that)对比训练1.Thisisthereason_____hewaslate.2.Thisisthereason_____heexplainedtous.why(which/that)对比训练1.Chinaisnolongerthecountry______itwas.2.Chinaisnot_______itwas.thatwhat对比训练3.Ididn’tbelieve_________hesaid.4.Ididn’tbelievethenews________hesaid.whatthat1:先行词是everything,nothing,anything,something,much,little,none等不定代词或由不定代词any,some,no,much,few,little,every,all等修饰时,引导定语从句用that不用which。2：先行词被形容词最高级或序数词修饰且指物时,引导定语从句用that。3:先行词