Be said to do或have done句型

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1、besaid…句型与高考【回归课本】：Infact,theLondonStockExchangeisbelievedtohavestartedfromthesecoffeehouses.(必修1，P18)Itis/wassaid/reported/believed/thought/known/considered…＋that－clause意为"据称/据说/据报道/大家认为/众所周之/人们认为……"，这一句型中it是形式主语，后面的that从句是真正的主语。以上这种句型可以转换成下面两种句型：1.Peoplesay/believe/think…

2、thatclause和sbbesaid/reported/thought/believedtodo/havedonesth…ItisreportedthatChengYifeidiedseveraldaysago.ThenewsreportsthatChengYifeidiedseveraldaysago.ChengYifeiisreportedtohavediedseveraldaysago.据报道，陈逸飞于几天前去世。ItisthoughtthatFIRisoneofthebestpopgroupsinChina.Peoplethinkt

3、hatFIRisoneofthebestpopgroupsinChina.FIRisthoughttobeoneofthebestpopgroupsinChina.人们认为FIR乐队是中国最流行乐队之一。ItisbelievedthatHenrystolethecar.PeoplebelievethatHenrystolethecar.Henryisbelievedtohavestolenthecar.人们相信小汽车是亨利偷的。2.besaid/besupposed/bebelieved/bethought/beknown/bereporte

4、d+todo(要做)/tobedoing（正在做）/tohavedone（做完了）拓展：类似的句式还有It'shopedthat…　人们希望……It'sthoughtthat…　有人认为……It'sorderedthat…　已下令……It'ssupposedthat…　据推测……It'swellknownthat…　众所周知……It'spointedoutthat…　需要指出的是……Itmustbeadmittedthat…　必须承认的是……注意：此种句型it为形式主语，真正主语为that引导的从句，且that不可省略。该句型也是高考的测试点

5、：如：1．　Robertissaid______abroad,butIdon'tknowwhatcountryhestudiedin(NMET1999)A．tohavestudied　B．tostudyC．tobestudying　　D．tohavebeenstudying解析：动词不定式的完成式表示过去发生的动作，即study动作发生say之前，从后面studied所用过去时态可知这一事早已发生。所以须用tohave3done形式。表明："据说罗伯特过去曾经在某个国家学习过，但我不知道是在哪个国家"。答案为A。2.Thefluisbelie

6、ved_______byvirusesthatliketoreproduceinthecellsinsidethehumannoseandthroat.（2004上海）A.causing         B.beingcaused  C.tobecaused  D.behavecaused3.----IsBobstillperforming?（2005全国高考江苏卷）　　----I’mafraidnot.Heissaid________thestagealreadyashehasbecomeanofficial.　　A.tohaveleft　

7、　　　B.toleave　　　　C.tohavebeenleft　　　　D.tobeleft4．AIDSissaidthebiggesthealthchallengetobothmenandwomeninthatareaoverthepastfewyears.（2006湖北33）A．thatitisB．tobeC．thatithasbeenD．tohavebeen5.Policearenowsearchingforawomanwhoisreportedto_______sincethefloodhitthearealastFriday.（20

8、06山东卷） A.havebeenmissing  B.havegotlost  C.bemissing  D.getlost6.LeonardodaVinci(1