1、Unit 3Understanding each otherGrammar and usageTranslate the followingsentences into English!Revision&Lead-in If you had joined the chat room ten minutes ago,you would have known what we were talking about.要是你在10分钟前进入聊天室的话,你就知道我们在谈些什么了.If I got married in the UK,I would expect a present.如果我在英国结婚,我会得
2、到客人的礼物.Should you come to Brunei,you would have to take off your shoes before going into someones house.如果你来到了文莱,你进别人家门之前得脱鞋.If you had joined the chat room ten minutes ago,you would have known what we were talking about.If I got married in the UK,I would expect a present.在英语中随着说话人意图的不同，动词需用不同的形式，称为
3、语气。英语语气有三种：语气(mood)是一种动词形式，用以表示说话者的意图或态度。是说话人为表达一种假设,或一种主观愿望,即认为动词所表示的动作或状态并非真实或仅是主观设想时所用的动词形式.1.陈述语气用来叙述事实或提出疑问.广泛用于陈述句,疑问句,感叹句E.g.:I will come tomorrow.2.祈使语气是说话人用来向对方下达命令,指示提出要求,劝告等所用的动词形式.主要用于祈使句.E.g.;Dont write in your book.3.虚拟语气 虚拟语气，作为日常交际应用中常常会出现的一种语言现象，一直是高考题几乎年年都要考到的一个热点。但对于中国学生来说，它又是一个难点
4、。无怪乎许多学生学习虚拟语气时，常常会叹道：If there were no subjunctive mood,English_ much easier.A.will be B.would have been C.could have been D.would be 虚拟语气是说话人为表达一种假设,或一种主观愿望,即认为动词所表示的动作或状态并非真实或仅是主观设想时所用的动词形式.虚拟语气的定义关键是什么与事实相反！1.一般条件句中虚拟语气的用法2.名词性从句中虚拟语气的用法3.几种特殊结构中虚拟语气用法4.一般条件句中虚拟语气的倒装5.与含蓄条件句6.虚拟语气与陈述语气的判定考点难点错综时间
5、条件句Unreal conditionalsstate a condition or situation that is not real or is imaginary.Unreal conditionals一般条件句中虚拟语气的用法 We use unreal conditionals to state a present condition or situation that is not real or is imaginary.E.g.If I got married in the UK,I would expect a present.一般条件句中虚拟语气的用法 We form u
6、nreal present conditionals like this:If was/were/did ,would/could/might do 1.假如我有更多的时间，我就会学习德语。If I had more time，I would study German.2.要是我象你一样年轻,我就会找时间锻炼.If I were/was young as you,I would find time to exercise.Practice:一般条件句中虚拟语气的用法 If I werent addicted to QQ games,I would make greater progress i
7、n his studies.What would happen if you were not addicted to QQ game?一般条件句中虚拟语气的用法 What would you do if you won the lottery?If I won the lottery,I woulda villa一般条件句中虚拟语气的用法 We also use unreal conditionals to refer to an imaginary past action.E.g.If you had joined the chat room ten minutes ago,you wou
8、ld have knownwhat we were talking about.一般条件句中虚拟语气的用法 We form unreal past conditionals like this:If had been/done,would/could/might have done1)如果他抓紧时间，他本来能赶上那趟火车。If he had hurried,he could have caughtthe train.2)如果你昨天告诉他，他也许会提些建议了。If you had told him yesterday,he might have made some suggestions.一般条
9、件句中虚拟语气的用法 If I _busy last night,I _to see thefilm with you.had not beenwould have gone一般条件句中虚拟语气的用法 If he more carefully,he the car accident yesterday.would not have hadhad driven一般条件句中虚拟语气的用法 We use unreal future conditionals to talk about imaginary future situations.1)If I had time tomorrow,I wou
10、ld certainlyhelp you.2)If I were to fail my Maths test,I would have to take it again at the end of the term.3)If he should come tomorrow,I wouldtalk to him about it.E.g.一般条件句中虚拟语气的用法 We form unreal future conditionals like this:Ifwas/were/did/should/were to,would/should/might doPractice:1)假如我要出国，我就会
11、去法国。If I were to go abroad,I would go to France.2)万一明天下雨，我们的运动会就推迟。If it should rain tomorrow,our sports meeting would be put off.一般条件句中虚拟语气的用法 Mark:100If you got/were to get/should get a fullmark next time,I would treat you to a wonderful performance.一般条件句中虚拟语气的用法 条件从句 If 从句的谓语形式 主句的谓语形式现在过去将来did（w
12、ere）had donewould/could/should/might+do would/could/should/might+have done1.did2.should+do3.were to dowould/could/should/might+do一般条件句中虚拟语气的用法 1)Would,could and might areoften interchangeable,but withsome differences in meaning.would intention;plancould ability;possibilitymight probability2)In writt
13、en English or in formal situation,we usually use were in If-clauses in placeof was.However,in everyday conversation,was is often used.TIPS一般条件句中虚拟语气的用法 We can also put should,were and hadat the beginning of an unreal conditional sentence.In this case,if is not needed any more.E.g.1)If you should mak
14、e a mistake,you should not be embarrassed.Should you make a mistake,you should not be embarrassed.条件句中虚拟语气的倒装 2)If you had told me earlier,I would not have this problem now.Had you told me earlier,I would not have this problem now.3)If you were to take the train,youwould be there much sooner.Were yo
15、u to take the train,you would be there much sooner.条件句中虚拟语气的倒装 条件句中虚拟语气的倒装 TIPS注意:如果省略的条件句中的谓语动词是否定形式时,不能用动词的缩略形式.我们可以说:Were it not for the expense,I would go abroad now.但是不能说:Werent it for E.g._ she _ yesterday,she wouldmeet the famous singer today.A.Hadnt;leftB.Had;not leftC.If;didnt leave D.Didnt
16、;leave当条件状语从句所表示的行为和主句表示的行为所发生的时间不一致时,被称为“错综时间条件句”。在这种情况下，我们切不可照搬某种形式，而应该按照句中所表述的时间关系，再选择相应的虚拟形式。错综时间条件句 1.If the flower had been watered,it _ now.A.wouldnt die B.is dead C.had been dead D.will not die2.If his television set had not been stolenyesterday,he _ TV now.A.would watch B.would have watched
17、C.would be watching D.is watching错综时间条件句 If you _(study)hard before,you _(be)a college student now and you _(graduate)from a college in fours time.had studiedwould bewould graduateSo far we have finished learning all the tasks of this period and you have done a good job.So now I will reward you a vi
18、deo.Just watch it and try to get a better understanding of what you have learned in this class!Now here are more exercises for you to check whether you have mastered what you have learned in this class.Please choose the correct answers to the following multiple choices.1.Everythingif Albert hadnt ca
19、lled the fire brigade.A.will be destroyed B.will have been destroyed C.would be destroyed D.would have been destroyed2.The business is risky.But_,we would be rich.A.should we succeed B.we should succeedC.might we succeed D.would we succeed3.What would have happened,_,as far as the river bank?A.Bob h
20、ad walked farther B.if Bob should walk farther C.had Bob walked farther D.if Bob walked farther4.I _ you some money,but Ihadnt any on me then.A.would lend B.would have lent C.could lend D.may have lent5._ today,he would get there by Friday.A.Was he leaving B.If he leaves C.Were he to leave D.If he i
21、s leaving6.Supposing this ship,do youthink there would be enough lifejackets for all the passengers?A.were to sink B.has sunk C.was sinking D.sunkA.were,would B.is,would C.is,will D.were,will7.-You can ask your brother for help.-He isnt at home.If he _,I _.8.Are you thinking about going to Dalian fo
22、r the vacation?No,but if I _ time,I very glad to go there.A.have,will be B.had had,would have been C.had,would be D.had had,would beMagic LanternMagic BrushMagic StickTime MachineDiscussion:What would you do if you had a?Summary of this class(本节小结)一.英语中语气包括三种:陈述语气,祈使语气,虚拟语气.二.虚拟语气用在if 引导的与现在事实,将来事实,过去事实相反的非真实条件状语从句中.三.一般条件句中虚拟语气的倒装四.错综时间条件句Homework Finish Parts C1 and C2on Page 118 in Workbook.
