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Unit2What shouldI do【单元目的】目的句型
1.What shouldI do
2.Why dontyou...
3.You could...
4.You should...
5.You shouldnt...语法情态动词的用法I【重难点分析】情态动词Modal VerbsI情态动词和其他动词连用,可表达说话人的语气情态动词可表达建议、规定、也许和意愿等情态动词没有人称和数的变化o常用的情态动词有这九大情态动词;can,could,may,might,must,shall,should,will,would其他的尚有等ought to,need,dare
一、九大情态动词的时态关系现在式—过去式现在式—过去式
1.can could
2.may might现在式过去式现在式—过去式
3.shall—should
4.will would现在式—过去式常用来代替
5.must musthad to
二、情态动词表达“也许”或“预测”can,could,will,would,shall,should,must,ought to和用于表达“也许”或“预测”1can could否认句他不也许在家
1.He cantbe at home.(将情态动词置于主语前就成疑问句)
2.Can the news betrue canthenews这消息也许是真的吗?.(只表达理论上的也许性)任何人都也许犯错误
3.Anybody canmake mistake()和用于表达“事实上的也许性”或“预测”2may might.俵达也许会发生)明天也许会下雨
1.It mayrain tomorrow(表达预测)今天下午也许会下雪
2.It maysnow laterthis afternoon.(表达有也许)你也许是对的
3.You mightbe right.()和用于表达“预测”或“习惯性”3will would(表达一定会)我想他现在一定好了
1.1think hewill be all rightnow.will be(表达肯定是)那肯定是他母亲
2.That would be hismother.wouldbe(表达经常的)
3.He willsit therehour afterhour lookingat theriver.will他经常一连几个小时坐在那儿看着河水()和用于表达“必然4shall should()总有一天我会发达的
1.1shall berich oneday.shall be()那准是和他的母亲
2.That should be Samand hismother,shouldbeSam()用于表达“必然”,“必会”5must(肯定)这肯定对你是有益的
1.This must be goodfor you.mustbe,(表达必然会发生的事)所有的人一定会死的
2.All mankindmust die(多用于疑问句)那肯定会有错误吗?
3.Mustnt therebeamistake mustnt
三、情态动词表达“许可”、“请求”()can,could,will,would,shall,should,may,might,must()和用于表达“许可、“请求”1can could(请求)我能跟你一起走吗?
1.Can Igo with you(表达过去的许可)爸爸说我可以去看电影
2.Father saidI couldgo tocinema.(请求,用比更婉转)我可以问你一件事吗
3.Could Iask yousomethingcould can()和用于表达,,请求”2will would(表达客气请求)
1.Will youkindly tellme theway tothe postoffice请问到邮局怎么走?(用比表达更客气)
2.Would yougive meyour addresswould will请你告诉我你的地址,好吗?()和用于第一人称,表达征求对方的意见3shall should我们谈谈好吗?
1.Shall wetalk(用比表达更客气)下一步我们该怎么做?
2.What shouldwe donext shouldshall(用于第三人称疑问句)要不要他来看你
3.Shall hecome tosee you()和用于表达“许可”(口语中多用)4may mightcan(表达给予许可)你可以散散步
1.You maytake awalk.(比更婉转)是否请给我读一读这故事
2.You mightread thestory forme.may我可以提个建议吗?
3.May Imake asuggestion我看看您的大作行吗?
4.Might Itake alook ofyour work(表达不许可或严禁)学生不得在图书
5.Students may not makenoise inthe library,may not馆里吵闹(用于条件句,表达请求)你是不对的,假如我可以这
6.If Imay sayso,you arenot right.么说的话()用于表达“严禁”,“不准”5must(表达不许可)此地不准停车
1.Cars must not beparked here,must not(语气方面比更强)你们不准在池
2.All ofyou mustntfishing inthe pool,mustnotmaynot里钓鱼
四、重要短语和表达法()Key Words争论;争吵与某人吵架
1.argue v.argue withsb.我和我的好朋友吵架了I arguedwith mybest friend.
①(用于否认句)也
2.either adv.他没有钱,我也没有He doesn,t have any money,and I don t,either.
②也(用于肯定或疑问句)too我是老师,他也是老师rI ma teacher.He isa teacher,too.我们要去徒步旅行,他们也要去We aregoing hiking.Are theygoing hiking,too吗?
6.wrong adj.一你怎么了?(你哪里不舒适?)Whats wrong withyou.你的手表怎么了?它不走了,What swrongwithyour watchIt doesnt work错误地;不对的地;不对地adv.他答错了He answeredwrong.与某人相处融洽
7.get on well withsb.我们彼此相处融洽We getonwellwith eachother.与某人打架
8.havea fight withsb.=fight withsb.我不想和我的堂兄打架I don t wantto haveafightwith mycousin.
五、重要句型Key SentencesStructuresWhat shouldI doYou couldwrite hima letter.What shouldhe doMaybe heshould saysorry tohimWhat shouldthey doThey shouldntargue.
六、词语辨析从某人处借进某物
①
②・・・ask sb.to do我们请她来参与聚会We askedher tocome toour party.
③・••让某人做某事tell sb.to do老师那天让他完毕那项The teachertold himto finishthe workthat day.工作、时髦的,流行的3be instyle过时.的,不时髦的be outof style
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