llp牛津高中英语模块6第四单元语法.ppt

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1、GrammarandusageUnrealconditionalsM6U4Helpingpeoplearoundtheworld(subjunctivemood)ByLilyLead-in1.Ifaface________launchathousandships…2.Ifaman________betwoplacesatonetime,I____bewithyou.3.Iftheworld________stoprevolving,spinningslowlydowntodie,I___spendtheendwithyou.4.

2、Andwhentheworldwasthrough.Thenonebyonethestarswouldgoout.ThenyouandI_______simplyflyaway.couldcould’dcouldwould’dInthisclass,wewillreview“If”unrealconditionalsinUnit3.Andthenwe’lllearnothercasesofunrealconditionalsinthisunit.3.Finallywewilldosomeexercisesforconsolidatio

3、n.LearningAims:Unrealconditionals(非真实条件句):Step1Let’sreview时间If条件句(谓动)主句(谓动)现在过去将来would/could…dowere/didhaddonewould/could…havedonewould/could…doweretodoshoulddowere/didStep1Let’sreviewConclusion:如果条件状语中有were,had,should时,可以省去条件句中的___，把were,had,should置于____。如果虚拟句的主、从句中动词表达

4、_______的虚拟动作时间，则该句被称为“___________________________________”。句中动词采用何种形式（现在或过去虚拟式）要依据主、从句中的______（或上下文）来确定。if句首不同（混合条件句）:Mixedconditionals时间“couldhave+过去分词”也可用于虚拟条件句中，这时的could是情态动词，表示“______”，相当于：________________能够hadbeenabletoStep2Let’slearnasif/thoughifonlyevenifeventhou

5、ghwish与现在情况相反与过去情况相反与将来情况相反Conclusiondid/werehaddonewould/could…dowouldrather+从句现在过去将来Conclusion:Itis(high/about)timethat……：该做……了。(动词用“__________”“_______________”)did/werehaddonedid/weredid/wereshoulddoLet’sconclude动词+that…(should)do…这类动词常见的有：一个坚持：_______________两个命令：__

6、________/____________三条建议：/_________/________/_________四项要求：__________/_________/_________/_________【注意】suggest当表示“__________”讲时，insist表示坚持_____之意时，应用陈述语气。insistordercommandsuggestproposeadvisedemandrequirerequestask暗示、表明事实认为Itis+形容词/分词+that…(should)do…这类常见的形容词有：advisabl

7、e明智的，essential紧要的，基本的natural自然的，urgent紧迫的appropriate恰当的important重要的necessary必要的Let’sconcludeLet’sconclude6．Itis+形容词/名词+that……(should)do/shouldhavedone……这类常见的形容词有：strange，amazing，surprising，astonishing，incredible_____________；常见的名词有：nowonder____________，ashame，apity，表示“惊奇

8、、惶惑、怀疑、不满”等。此时，should一般不可省略，含义为“________、________”。难以置信不足为奇竟然居然Wereitnotforsth:（与现在或将来情况相反）“要不是因为……”=bu