Unit4BehindbeliefsGrammarandusageStep1:GeneralintroductionThegrammariteminthisunitfocusesonhowtoanalyzecomplicatedsentences.Youwilllearnwhatsimplesentences,compoundsentences,complexsentencesandcomplex-compoundsentencesare.Thiswillhelpyoubetterunderstandthemeaningoflongandcomplicatedsentences.Youareexpectedtoapplywhatyouhavelearntbyfinishingtwoexercises.Step2:Explanation:1.Lookatthefollowingsentences.Canyoupointoutthesubjectsandpredicatesofthem?I’llcomebackinthreedaysTherearemanystudentsinourschool.Intheabovesentences,thesubjectsareIandmanystudents,andthepredicatesarewillcomebackandare.Thetwosentencesarebothsimplesentences.2.Canyouanalysethefollowingsentences?Howmanysimplesentencesarethereinthem?AuntreallyenjoyedFranceandsodidI.Societyhaschangedandthepeopleinithavechangedtoo.Therearetwosimplesentencesineachoftheabovesentences,andtheconjunctionandisusedtoconnectthetwosentences.Thiskindofsentenceiscalledacompoundsentence.3.Lookatthefollowingsentences:Ifithadn’tbeenfortheirhelp,wecouldn’thavefinishedtheworkontime.Iwonderifyourwifewillgototheball.Thetwosentencesarecomplexsentences.Themainclausesarewecouldn’thavefinishedtheworkontimeandIwonder,andthesubordinateclausesareIfithadn’tbeenfortheirhelpandifyourwifewillgototheball.4.Lookatanothersentence:Hecompletedamasterpieceandasthisisthefocusoftheexhibition,Iwouldlikeyoutofindoutaboutit.Inthissentence,andlinkstwosentences.Thesentencebeforeandisasimplesentence,whilethesentenceafterandisacomplexsentence.Inthecomplexsentence,themainclauseisIwouldlikeyoutofindoutaboutit,andasthisisthefocusoftheexhibitionisusedasanadverbialclause.Thiskindofsentenceiscalledacomplex-compoundsentence.5.Thegeneralstructureoftypesofsentences:thesimplesentence:subject+predicatethecompoundsentence:subject+predicate+and/but/or/for+subject+predicatethecomplexsentence:mainclause+subordinateclause用心爱心专心thecomplex-compoundsentence:thesimplesentence+and/but/or+thecomplexsentence6.FinishPartAonpage57.Answers:A1c2a3d4c5c6c7b7.FinishPartB.Answers:B1.OneEnglishproverbis‘theearlybirdcatchestheworm’,whichisfrequentlyusedtotalkabouthardworkbeingthekeytosuccess.2.Theproverb‘greatmindsthinkalike,butfoolsseldomdiffer’isveryfamousalthoughitisusuallyshortenedto‘greatmindsthinkalike’.3.Theproverb‘don’tcountyourchickensuntiltheyarehatched’means‘don’tcountonsomethinggoingwelluntilithappens’,andthisproverbisverypopular.4.Theproverb‘makehaywhilethesunshines’isveryold,anditcomesfromtheolddayswhenpeopleallworkedonfarms.Forreference:一、句子的定义句子的定义:句子是包含主语和谓语部分的一组词。它有一定的语法结构和语调，用以表达一个比较完整的独立的概念。句子开头的第一个字母要大写，句子末尾要有句号、问号或感叹号如:(1)Thefoundationofdemocracyisthewillofthepeopletopreserveliberty.民主的基础就是人民维护自由的意愿。(2)Whatmotivesgovernedhisactions?是什么动机支配他的行动的？(3)Thisstoryisgreat!这则故事太棒了！二、句子的种类和类型句子按其用途可分为四个种类:1、陈述句(declarativesentence),用以陈述事实。如:(1)ThedaisyisacommonflowerinEnglishfields.雏菊在英格兰大地上是一种常见的花。(2)Idon’tcarewhatshethinks.我不在乎她想什么。2、疑问句(interrogativesentences),用以提出问题。如:(1)Yourfriendisadoctor,isn’the?你朋友是个医生，对吗？(2)Whendowemeetagain?我们什么时候再见面？3、祈使句(imperativesentences),用以表示命令、请求等。如:(1)Haveagoodsleepandthinkitover.好好睡一觉，再仔...
