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1、ItItisis......thatsincebefethatsincebefe等句型歸納等句型歸納1.1.為了突出或強(qiáng)調(diào)句中的某一成分以加強(qiáng)語(yǔ)氣為了突出或強(qiáng)調(diào)句中的某一成分以加強(qiáng)語(yǔ)氣英語(yǔ)中通常用英語(yǔ)中通常用“It“Itisis被強(qiáng)調(diào)成分被強(qiáng)調(diào)成分thatwho”thatwho”結(jié)構(gòu)，這一結(jié)構(gòu)叫作結(jié)構(gòu)，這一結(jié)構(gòu)叫作強(qiáng)調(diào)結(jié)構(gòu)強(qiáng)調(diào)結(jié)構(gòu)。該。該結(jié)構(gòu)中的結(jié)構(gòu)中的ItIt是無(wú)人崐是無(wú)人崐稱主語(yǔ)稱主語(yǔ)沒有詞匯意義沒有詞匯意義僅起到改變句子結(jié)僅起到改

2、變句子結(jié)構(gòu)使某一成分受到強(qiáng)調(diào)的作用。如被崐使某一成分受到強(qiáng)調(diào)的作用。如被崐強(qiáng)調(diào)的是物，用強(qiáng)調(diào)的是物，用thatthat如被強(qiáng)調(diào)的是人被強(qiáng)調(diào)的是人用whowho也可用也可用thatthat。強(qiáng)調(diào)結(jié)構(gòu)中被強(qiáng)調(diào)的成分通常是句中的主語(yǔ)、賓語(yǔ)、地點(diǎn)狀語(yǔ)或時(shí)間狀語(yǔ)。例如下面一句我們可分別對(duì)其不同成分進(jìn)行強(qiáng)調(diào)：Johnweawhitesuitatthedancelastnight.1.ItwasJohnthatwhoweawhitesuitatthe

3、dancelastnight.（強(qiáng)調(diào)主語(yǔ)）2.ItwasawhitesuitthatJohnweatthedancelastnight.(強(qiáng)調(diào)賓語(yǔ)）3.ItwasatthedancethatJohnweawhitesuitlastnight.(強(qiáng)調(diào)地點(diǎn)狀語(yǔ)）4.ItwaslastnightthatJohnweawhitesuitatthedance.（強(qiáng)調(diào)時(shí)間狀語(yǔ)）強(qiáng)調(diào)結(jié)構(gòu)亦可用來強(qiáng)調(diào)某些狀語(yǔ)從句：Itwasbecausehewasil

4、lthathedidntcometoschoolyesterday.（強(qiáng)調(diào)because引導(dǎo)的原因狀語(yǔ)從句）Itwasonlywhenthewarwasoverin1949thathewasabletogetbackhome.(強(qiáng)調(diào)when引導(dǎo)的時(shí)間狀語(yǔ)從句）Itwasnotuntilhisfathercamebackthathewenttobed.(強(qiáng)調(diào)until引導(dǎo)的時(shí)間狀語(yǔ)從句）現(xiàn)談?wù)剰?qiáng)調(diào)結(jié)構(gòu)中值得注意的幾個(gè)問題：一.強(qiáng)調(diào)結(jié)構(gòu)中的

5、時(shí)態(tài)問題強(qiáng)調(diào)結(jié)構(gòu)中的時(shí)態(tài)問題如果被強(qiáng)調(diào)的成分，原句謂語(yǔ)動(dòng)詞是一般現(xiàn)在時(shí)或一般將來時(shí)，強(qiáng)調(diào)結(jié)構(gòu)用Itis...thatwho如果原句的謂語(yǔ)動(dòng)詞是過去時(shí)態(tài)，則用Itwas...thatwho有時(shí)還可用be的其它形式。例如：Itisthepeoplewhothatarereallypowerful.ItwasinthestreetthatImetyourbrotheryesterday.Itmustbeyourmotherwhoyouaret

6、hinkingof.二.強(qiáng)調(diào)結(jié)構(gòu)中代詞的格和謂語(yǔ)人稱與數(shù)的問題如果被強(qiáng)調(diào)的部分是原句的主語(yǔ)thatwho后面的謂語(yǔ)在人稱和數(shù)上均應(yīng)與原句主語(yǔ)一致不與it一致。例如：Itisyouthatwhoaretoblame.Itisawonderthatherefusedsuchagoodoffer.Itiscommonknowledgethatthetrafficsituationthereisdeplable.用于該句型的名詞常見有：comm

7、onknowledgecommonsenseagoodthinganhonamercyapityapleasureashameasurpriseawonder等。4Itisadj.that…該句型為主語(yǔ)從句。It為形式主語(yǔ)，真正的主語(yǔ)也是由that引導(dǎo)的從句。例如：Itiscertainthatweshallbelate.It’sstrangethathedidn’tcomeyesterday.Isn’titstrangethatthe

8、lazyboy(should)passtheexam.能用于該句型的形容詞常見的有：certainclearcuriousdisappointingdreadfulfitftunatefrighteningfunnygoodimptantluckynaturalnecessaryobviouspeculiarpleasingpossibleprobableproperrightsadsurprisingremarkableunftuna

9、teunimptantunnecessaryunusualuselesswellwonderfulwrongtrue等。that從句可用陳述語(yǔ)氣，也可用should動(dòng)詞原型的虛擬語(yǔ)氣形式。用陳述語(yǔ)氣表示客觀事實(shí)；用虛擬語(yǔ)氣表示驚訝、喜悅、遺憾、失望等感情色彩或表示要求、建議、命令、愿望等。5Itisp.p.that…該句型為主語(yǔ)從句。It為形式主語(yǔ)，真正的主語(yǔ)是that引導(dǎo)的從句。例如：ItwassaidthatMr.Whitehadb

10、eenwritinganewTVplay.Itisreptedthatthesptsmeethasbeenputoff.Ithasnotbeendecidedthatwhenwhereweillholdthemeeting.能用于該句型的過去分詞常見的有：admittedannouncedbelieveddecideddemeddisclosedexpectedfoundhopedreptedrequestedsaidseensugge

11、stedthoughttoldunknown等。6Itis…befe…該句型的is后可接long或一段時(shí)間?？隙ň渥g為“過多久…才…”；否定句譯為“沒多久…就…”。例如：ItwasalongtimebefeIgottosleepagain.Itwillbehoursbefehearriveshere.Itwasnotlongbefehelefthishometown.Itwillbefiveyearsbefewemeetagain.It

12、wasn’tlongbefehetoldusaboutthisaffair.Itwaseveningbefewereachedthelittletown.7Itis…since…該句型表達(dá)“從……以來已經(jīng)多久了”的意思。這一結(jié)構(gòu)多用一般過去時(shí)，表示從過去某一時(shí)刻起到說話這一時(shí)刻止的這段時(shí)間的總和。時(shí)間的起點(diǎn)，無(wú)論是那種動(dòng)詞，一律從since從句中的謂語(yǔ)動(dòng)詞表示的動(dòng)作的完成的那一刻算起。例如：Itis15yearssincetheware