《IT職業(yè)英語》課件unit4 Nominal clauses名詞性從句

一、名次性從句種類名詞性從句包括:主語從句、賓語從句、表語從句、同位語從句二、名詞性從句結(jié)構(gòu)1. 主語從句

主句的主語是個簡單句且由that,if/whetherand其他特殊疑問詞引導(dǎo)，這樣的句子是主語從句。Examples:(1) ThatProfessorBrownisattendingtheconferenceisanhonour.(formal)(2) ItisanhonourthatProfessorBrownisattendingtheconference.(lessformal)(3) (Itisthegrammaticalsubject,ThatProfessorBrownisattendingtheconferenceistherealsubject)(4) If/WhetherProfessorBrownwillattendtheconferencedependsonthesalesofhisproducts.(5) Whenhewillarriveisuncertainbecauseofthetraffic.(6) Wherehewillstayisnotdecidedyet.(7) Howthesystemisintegratedneedstotakecarefulobservation.(8) WhatismorerevolutionaryisthattheWebcanleadtogreaterpoliticalinvolvementindecisionmakingforordinarypeople.(9) Whatisuncertainishowitwillaffectotherareasofeverydaylife.2. 賓語從句

主句的賓語是一個簡單句且由that,if/whetherand其他特殊疑問詞引導(dǎo)，這樣的句子是賓語從句（that引導(dǎo)詞可以省略）。Examples:(1) Youmustensurethatdataisstoredcorrectly.(2) Ithink(that)theEthernetadapterinyourcomputerdoesn’twork.(3) Ihope(that)youhaven’tbeenwaitingtoolong.(4) YoushouldfirstheckwhetheryouroperatingsystemhasrecognizedyourWLANadapter.(5) Webtechnologyhasalsobeenextendedtohandlewhichfacilitiespeoplecollaboratingoveranetworkoveranintranet.(6) Theyshowgreatinterestinwhat’sgoingoninthecomputerdepartment.(7) Iwanttoaskhowtoenhanceourcorporatenetworksecurity.(8) Idon’tknowwhichsockettoplugtheUSBdiskinto.3. 表語從句

系動詞后有簡單句且由that,if/whetherand其他特殊疑問詞引導(dǎo)，這樣的句子是表語從句（that引導(dǎo)詞可以省略）。Examples:

(1) Wearesorrythatthisunfortunateincidentoccurred.(2) Whatisuncertainishowitwillaffectotherareasofeverydaylife.4. 同位語從句

that引導(dǎo)的從句接在抽象名詞（或該名詞的衍生詞）后，用來說明該名詞的內(nèi)容。該結(jié)構(gòu)是同位語從句。抽象名詞有：belief(believe),comment(comment),confidence(confident),discovery(discover),doubt(doubt),evidence(evident),fact,fear(fear),hope(hope),indication(indicate),idea,information(inform),knowledge(know),news,opinion,order(order),problem,promise(promise),proof(prove),proposal(propose),report(report),rumor(rumor),story(tell),suggestion(suggest),thought(think),truth(true),wish(wish)等。Examples:(1) WemustfacethefactthattheEarthissteadilywarming.(2) Columbushadafirmbeliefthattheworldisround.(3) CleopatrareceivedthenewsthatCaesarhadbeenkilled.ExerciseFillinthefollowinggapswithappropriatelinkingwords:

1. Itisknown__________sittinginfrontofcomputersalldayisreallybadtoourhealth.2. __________VIPstandsforisVeryImportantPerson.3. Heasked__________theywillcometorepairourcomputers.4. __________oneissuitableforusisstillaquestion.5. Weagreetotheopinion__________wemustreduceCO2release.6. Pleasetellme__________toenabletheconnection.7. __________hewillstartworkingi