选修unit grammer 强调句详解ppt课件.ppt

1 强调句型 2 一 Itis was 被强调部分 that 剩余的部分被强调部分是人who whom that 剩余的部分强调句的连接词一般只用that 强调人时 可用who或whom 宾语 3 1 我是在街上遇见她的父亲的 强调在街上 2 你是8点开始工作的吗 强调时间 3 正是因为她病了 他们才没见她做这项工作 ItwasinthestreetthatImetherfather Wasitateighto clockthatyoubegantowork Becauseshewasill theydidn taskhertodothejob Itwasbecauseshewasillthattheydidn taskhertodothejob 强调原因 4 ItwasTomwho thatfoundmypenintheclassroomyesterday 5 判断是否是强调句是 可把Itis was that去掉 剩余部分在不增减任何词的情况下还是一个完整的句子 那么这种句子是强调句 ItwasinthestreetthatImetherfather InthestreetImetherfather Itwasbecauseshewasillthattheydidn taskhertodothejob Becauseshewasill theydidn taskhertodothejob 6 Itwasfiveo clock Igothome Itwasatfiveo clock Igothome when that 7 二 not until 的强调形式 Itisnotuntil 被强调部分 that 直到 才 Ididn trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses NotuntilshetookoffherdarkglassesdidIrealizeshewasafamousfilmstar ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasafamousfilmstar 8 巩固练习 1 Itwas hesaid disappointedme A what thatB that thatC what whatD that what2 Isitinthefactory thistypeofcarsareproduced A whichB whereC thatD 3 Isitthefactory thistypeofcarsareproduced A whichB whereC thatD 9 4 onMondaynightthatallthishappened A IsitB ItisC WasitD Itwas5 Itwas theoldworkercamethatwe theexperiment A until didn tbeginB notuntil beganC untilbeganD notuntil didn tbegin6 ItisI singinginthegarden A whoareB whoamC thatareD thatis 10 9 Itwas1969 theAmericanastronautssucceededinlandingonthemoon A thatB whenC onwhichD which 11 1 Itwasabout600yearsago thefirstclockwithafaceandanhourhandwasmade A thatB untilC beforeD when2 ItwasonlywhenIrereadhispoemsrecently Ibegantoappreciatetheirbeauty A untilB thatC thenD so A B 高考链接 12 3 Itisthesepoisonousproducts cancausethesymptomsoftheflu suchasheadacheandachingmuscles whoB thatC howD what4 Why Ihavenothingtoconfess youwantmetosay A WhatisitthatB WhatitisthatC HowisitthatD Howitisthat B A 13 5 Itwas backhomeaftertheexperiment A notuntilmidnightdidhegoB untilmidnightthathedidn tgoC notuntilmidnightthathewentD untilmidnightwhenhedidn tgo6 Itwaswithgreatjoy hereceivedthenewsthathislostdaughterhadbeenfound A becauseB whichC sinceD that C D 14 强调句型 你掌握了吗 15 Itisscientistswhowarnedthatgreenhousegaseswouldwarmtheearthbytrappingheatenergyintheatmosphere Itisthegreenhouseeffectthatgivestheearth ssurfacetheaveragetemperatureof15 Itisfossilfuelsthatmuchoftheenergyusedtolightandheatourhomescomesfrom Itisthedevelopedcountriesthatconsumethemostenergyintheworld Itisforcenturiesthatcarbondioxidehasthetendencytostayintheatmospherewhileothergreenhousegasesstayintheatmosphereonlyforadayorless Answerkeyforexercise2onpage29 16 Itistheirveryexistencethatlow lyingcountriesfeelisindangerfromrisingsealevels Itisenvironmentalistswhohavetriedtostoptheearth stemperaturerising Itisfutureclimatechangesandtheireffectsonourenvironmentthatscientistswanttofindoutabout Itisbyseveralmetresthatthelevelofthes