《IT职业英语》课件unit4 Nominal clauses名词性从句

一、名次性从句种类名词性从句包括:主语从句、宾语从句、表语从句、同位语从句二、名词性从句结构1. 主语从句

主句的主语是个简单句且由that,if/whetherand其他特殊疑问词引导，这样的句子是主语从句。Examples:(1) ThatProfessorBrownisattendingtheconferenceisanhonour.(formal)(2) ItisanhonourthatProfessorBrownisattendingtheconference.(lessformal)(3) (Itisthegrammaticalsubject,ThatProfessorBrownisattendingtheconferenceistherealsubject)(4) If/WhetherProfessorBrownwillattendtheconferencedependsonthesalesofhisproducts.(5) Whenhewillarriveisuncertainbecauseofthetraffic.(6) Wherehewillstayisnotdecidedyet.(7) Howthesystemisintegratedneedstotakecarefulobservation.(8) WhatismorerevolutionaryisthattheWebcanleadtogreaterpoliticalinvolvementindecisionmakingforordinarypeople.(9) Whatisuncertainishowitwillaffectotherareasofeverydaylife.2. 宾语从句

主句的宾语是一个简单句且由that,if/whetherand其他特殊疑问词引导，这样的句子是宾语从句（that引导词可以省略）。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. 表语从句

系动词后有简单句且由that,if/whetherand其他特殊疑问词引导，这样的句子是表语从句（that引导词可以省略）。Examples:

(1) Wearesorrythatthisunfortunateincidentoccurred.(2) Whatisuncertainishowitwillaffectotherareasofeverydaylife.4. 同位语从句

that引导的从句接在抽象名词（或该名词的衍生词）后，用来说明该名词的内容。该结构是同位语从句。抽象名词有：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