初中英语-中考语法-情态动词(共23张)课件.ppt

1、canshouldmaywillmustwouldmight111/7/2022情态动词modal verb211/7/2022Discussion What will you do or say when1.you are late for class2.you see an old man carrying a heavy box3.you see some kids playing on the road311/7/2022may&mightwill&wouldneed/darecan&couldmustshall&should情态动词411/7/2022What can I do?I

2、can swim.What can he do?He can swim.What can they do?They can swim.1.情态动词+V原2.无人称和数的变化3.独立进行句型转化 511/7/2022&could can的主要用法的主要用法 A._：The girl can dance very well.B._：Can the news be true?C._:Can I sit here?表示能表示能力力表示推测表示推测,可能可能性性（多用于疑问、否定句（多用于疑问、否定句中）中）No,it cant be true.表请求或允许表请求或允许,“可以可以”611/7/2022

3、can&could的主要用法 A._ I could read when I was three.Father said I could go out with my friends.We all knew that the young man couldnt be a doctor.B._ Could you lend me your bike?Could I use your bike?表示过去表示过去的能力的能力,许可和推测许可和推测(肯、否、肯、否、疑疑)(can could)在疑问句中表示委婉的请在疑问句中表示委婉的请求求711/7/2022 exercise1.I saw John

4、 in the park this morning.It _ be him.He has gone to Hong Kong.A.cant B.can C.must2.Lucy is walking the dog in the park.She _ be.Listen!She is singing loudly in her room.A.cant B.mustnt C.neednt 3.Look!Is the young lady wearing a blue dress Grace?No,it _ be her.She is picking up my sister at the air

5、port.A.cant B.mustnt C.can811/7/2022&might may 的主要用法的主要用法 A._ May I come in?Yes,please./No,you mustnt/cant.B._ But I may be wrong.The guest may arrive this afternoon.C._ May you succeed!May you have a good journey!表示请求、允许表示请求、允许;比比can正式，正式，“可能，也可能，也许许”表示猜测表示猜测(肯，否肯，否)表示祝愿表示祝愿;语气较正式语气较正式911/7/2022may

6、&might 的用法的用法 1._ She said that he might take her bike.2._ Might I smoke here?You might get some help from her if she were here.也可以表示现在的可能性、许可，但是比也可以表示现在的可能性、许可，但是比may表表示的可能性更小；且示的可能性更小；且might可以用于虚拟语气可以用于虚拟语气表示过去的可能和允许表示过去的可能和允许,“可能，也可能，也许许”(may-might)1011/7/2022 exercise1.What will the weather be l

7、ike tomorrow?.A.must B.might C.shall 2._ I take photo here?No,you mustnt.Dont you see the sign“NO PHOTOS”?A.Would B.May C.Must3.Wow!Another gift!Whats in the box?Im not sure.It _ be a pair of sports shoes.A.must B.may C.will1111/7/2022must 1._ You must be careful next time.You mustnt take photos her

8、e.2._ You have worked hard all day.You must be tired.3.must 引导的疑问句引导的疑问句 Must I finish the homework today?Yes,you must/have to.No,you neednt/dont have to.表示义务表示义务/命令命令/必要，必要，“必须必须”mustnt “禁禁止止”表示推测，只用于表示推测，只用于肯定肯定句句1211/7/2022canmaycouldmustmight推测可能性由大到小1311/7/2022 exercise1.We _ drive after drinki

9、ng.Its very dangerous.A.can B.may C.mustnt2.Look!The woman at the school gate _ be our headmaster.No,it _ be her.She is holding a meeting in the office now.A.must;cant B.must;mustnt C.can;neednt3.I _ go now,or I ll miss my trian.A.can B.might C.must1411/7/2022&1._I will tell you something important.

10、我将要告诉你一些重要的事我将要告诉你一些重要的事。Will you tell her that Im here?请您告诉她说我在这儿，好吗请您告诉她说我在这儿，好吗?2._ Will you come here,please?Will you join us for a drink?will是助动词是助动词也是也是情态动词情态动词,用于构成将来时是用于构成将来时是助动词助动词,用于表用于表“意志意志/决心决心/意愿意愿”是情态动词。是情态动词。（助动词）（助动词）（情态动词）（情态动词）表示请求，与表示请求，与you连用连用1511/7/2022&“请求，许可请求，许可”would表委婉不是表

11、过去表委婉不是表过去1._ He wouldnt help me yesterday.She asked if I would go with them.2._ Would you type this,please?=Will you type this,please?Teacher wouldnt allow it.=Teacher wont allow it.表示过去的意表示过去的意愿愿will would1611/7/2022 exercise1._ you give me a hand?(will/would)2.Why didnt you come Toms party last n

12、ight?I wanted to,but my mother simply _ not me out so late at night.A.will B.would C.should3.John promised his doctor he _ not smoke,and he had never smoked ever since.A.would B.might C.couldWill/Would1711/7/2022&1._Perhaps I shall pay a visit to England this winter.可能今年冬天我会去英国观光。可能今年冬天我会去英国观光。shall

13、用于构成将来时是助动词用于构成将来时是助动词用于征求意见用于征求意见,是情态动词是情态动词,一般用于第一一般用于第一人称和第三人人称和第三人称称2._Shall we go by train,Tom?Tom，我们乘火车去，我们乘火车去好吗？好吗？Shall he come in?要他进来吗？要他进来吗？3._You shall not enter my house.用于第二、三人称，表示命令、警告用于第二、三人称，表示命令、警告1811/7/2022&1._Dinner should be ready by now.She should be here at a minute.2._You s

14、hould keep your promise.He should work harder.3._Its strange that he should be absent.表示义务表示义务/建议建议/责任责任,“应该应该,必须必须”表示可能性、推测表示可能性、推测,“可能，应该可能，应该”表示情感、意志表示情感、意志,“竟然竟然”must 表示规章制度方面You mustnt smoke here.should 表示道德规范方面You should be here on time.1911/7/2022 exercise1.Its too hot._ I swim in the lake?No

15、,you _.Thats too dangerous!A.Should;cant B.Need;mustnt C.Could;cant2.The room is so dirty._ we clean it?OK.A.Will B.Shall C.Would D.Do2011/7/2022need 1._You neednt say sorry to me.You neednt come if you are busy.2._Need I come tomorrow?No,you neednt./Yes,you must.情态动词，在否定句中表示情态动词，在否定句中表示“不必不必”情态动词，在

16、疑问句和肯定句中，表示情态动词，在疑问句和肯定句中，表示“需需要要”He needs a book.I need to go back home now.I dont need to go back home now.Do you need to go back home now?Yes,I do./No,I dont.The windows need cleaning/to be cleaned.need sth/to do sth/doing(to be done)实意动词2111/7/2022dare1.:敢于，竟敢，多用于敢于，竟敢，多用于否定、疑问、条件句否定、疑问、条件句中。中。I dare not ask him the second question.How dare you say Im unfair?2.:胆敢，敢于胆敢，敢于 dare to do sth He dared to do that and something even worse.He doesnt dare to answer my letter.2211/7/2022THANK YOU2311/7/2022