选修6unit 4 grammer 强调句详解.ppt

强调句型 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 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 ItwasTomwho thatfoundmypenintheclassroomyesterday 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 Itwasfiveo clock Igothome Itwasatfiveo clock Igothome when that 二 not until 的强调形式 Itisnotuntil 被强调部分 that 直到 才 Ididn trealizeshewasafamousfilmstaruntilshetookoffherdarkglasses NotuntilshetookoffherdarkglassesdidIrealizeshewasafamousfilmstar ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasafamousfilmstar 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 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 9 Itwas1969 theAmericanastronautssucceededinlandingonthemoon A thatB whenC onwhichD which 1 Itwasabout600yearsago thefirstclockwithafaceandanhourhandwasmade A thatB untilC beforeD when2 ItwasonlywhenIrereadhispoemsrecently Ibegantoappreciatetheirbeauty A untilB thatC thenD so A B 高考链接 3 Itisthesepoisonousproducts cancausethesymptomsoftheflu suchasheadacheandachingmuscles whoB thatC howD what4 Why Ihavenothingtoconfess youwantmetosay A WhatisitthatB WhatitisthatC HowisitthatD Howitisthat B A 5 Itwas backhomeaftertheexperiment A notuntilmidnightdidhegoB untilmidnightthathedidn tgoC notuntilmidnightthathewentD untilmidnightwhenhedidn tgo6 Itwaswithgreatjoy hereceivedthenewsthathislostdaughterhadbeenfound A becauseB whichC sinceD that C D 强调句型 你掌握了吗 Itisscientistswhowarnedthatgreenhousegaseswouldwarmtheearthbytrappingheatenergyintheatmosphere Itisthegreenhouseeffectthatgivestheearth ssurfacetheaveragetemperatureof15 Itisfossilfuelsthatmuchoftheenergyusedtolightandheatourhomescomesfrom Itisthedevelopedcountriesthatconsumethemostenergyintheworld Itisforcenturiesthatcarbondioxidehasthetendencytostayintheatmospherewhileothergreenhousegasesstayintheatmosphereonlyforadayorless Answerkeyforexercise2onpage29 Itistheirveryexistencethatlow lyingcountriesfeelisindangerfromrisingsealevels Itisenvironmentalistswhohavetriedtostoptheearth stemperaturerising Itisfutureclimatechangesandtheireffectsonourenvironmentthatscientistswanttofindoutabout It