1、Using Language Unit 2 Lets celebrate!Activity 1 Revision a That is why Letter from Father Christmas could be the perfect bookb The children must have been very excited as they opened it.c they might not receive their presents if they were not good.Look at the sentences from the reading passage and a
2、nswer the questions.Modals(2)1.That is why Letter from Father Christmas could be the perfect book2.That is why Letter from Father Christmas be the perfect book3.That is why Letter from Father Christmas be the perfect bookmustmightpossiblility？If we replace could with must,the meaning of sentence(a)w
3、ill change.It means the speaker is quite sure about the statement.If we replace could“with might,the meaning of sentence(a)will remain more or less the same.Could”and might in affirmative sentences have a similar meaning when indicating possibility.Possibility:must could/mightThe children must have
4、been very excited as they opened it.The children could have been very excited as they opened it.they might not receive their presents if they were not good.they could not receive their presents if they were not good.surenot so surepossibleimpossible If we changemust in sentence(b)into“could,it means
5、 the speaker is not sure about the statement,and its only a possibility.If we change might in sentence(c)into could,it means its impossible for the children to receive their presents.Activity 1 RevisionNow look for more sentences with modals in the text.The children must have been very excited as th
6、ey opened it.The children could have been very excited as they opened it.they might not receive their presents if they were not good.they could not receive their presents if they were not good.1.情态动词情态动词+动词原形动词原形1)can+动词原形动词原形SummaryA.用于用于肯定句肯定句,表示表示客观可能性客观可能性,意为意为“可能可能”,即从理论上看是可能的即从理论上看是可能的,但不但不一定会
7、发生。例如一定会发生。例如:As a human being,anyone can make a mistake.作为人类作为人类,任何人都有可能犯错。任何人都有可能犯错。B.用于用于否定句或疑问句否定句或疑问句,表示表示对现在的对现在的动作或状态进行动作或状态进行主观的猜测主观的猜测,意意为为“可能可能”,或或表示表示惊异、怀疑等态度惊异、怀疑等态度。例如。例如:a.He cant have a lot of money.他不可能有很多钱。他不可能有很多钱。b.Can it be that it was l,not he,who was mistaken?难道是我弄错了难道是我弄错了,而不是
8、他弄错了而不是他弄错了?表示表示主观的推测主观的推测,意为意为“或许或许”,用于用于肯定句肯定句和和否定句均可否定句均可。例如。例如:a.He may be very busy now.他现在可能很忙。他现在可能很忙。b.He may not be at home.他可能不在家。他可能不在家。注意注意:表可能性时表可能性时,cant语气较强语气较强,表示表示“不可能不可能”;may not语气较弱语气较弱;表示表示“可能不可能不,或许不或许不”。情态动词情态动词+动词原形动词原形”2)may+动词原形动词原形表示推测表示推测,意为意为“可能可能,可以可以指过去的指过去的情况情况,也可以指也可以
9、指现在的现在的情况情况,但但语气比语气比may更加不肯更加不肯定定。用于。用于肯定句肯定句或或否定句均可否定句均可。例如。例如:a.They might have a lot of work to do now but Im not sure.他们现在可能有很多活儿要干他们现在可能有很多活儿要干,不过我不确定。不过我不确定。b.She was afraid they might not like the idea.她担心他们可能不喜欢这个想法。她担心他们可能不喜欢这个想法。3)might+动词原形动词原形a.He looks young.He couldnt be over 50.他看起来很年
10、轻他看起来很年轻,不可能超过不可能超过50岁。岁。b.Could it be true?那可能是真的吗那可能是真的吗?4)could+动词原形动词原形表示猜测表示猜测,意为意为“准是准是,一定一定”,通常用于通常用于肯定句肯定句。例如：。例如：a.This must be your room.这一定是你的房间。这一定是你的房间。b Look at his new car.He must have a lot of money.瞧他那辆新车。他肯瞧他那辆新车。他肯定很有钱。定很有钱。5)must+动词原形动词原形情态动词情态动词+动词原形动词原形”意为意为“可能可能”,可以可以指过去的指过去的情
11、况情况,也可以也可以指现在的指现在的情况情况,语气缓和。多用于语气缓和。多用于否定句否定句或或疑问句疑问句。例如：。例如：2)can+完成式完成式表示对表示对已发生情况已发生情况的推测的推测,主要用于主要用于否定句否定句或或疑问句疑问句。例如：例如：a.You cant have forgotten her.你不可能已经忘记她了。你不可能已经忘记她了。b.Where can she have put it?她到底把它放在哪儿了呢她到底把它放在哪儿了呢?2.情情态动词态动词+完成式完成式1)must+完成式完成式表示表示对对已发生情况已发生情况的推测的推测,通常用于通常用于肯定句肯定句。例如。例
12、如:She must have gone home.她肯定已经回家了。她肯定已经回家了。表示对表示对已发生已发生事情的事情的不肯定的不肯定的推测推测,mght相比相比may语气更加不肯定。语气更加不肯定。例如：例如：He may/might have come by train.他可能是坐火车来的。他可能是坐火车来的。情态动词情态动词+完成式完成式”3)could+完成式完成式4)may/might+完成式完成式表示对表示对过去情况过去情况的推测的推测,多用于多用于否定句否定句或或疑问句疑问句。例如：。例如：a.He could not have been more than 16 at th
13、at time.他当时不可能超过他当时不可能超过16岁。岁。b.Could she have forgotten my address?她会忘记我的地址吗她会忘记我的地址吗?情态动词情态动词对现在和未来的推测对现在和未来的推测对过去的推测对过去的推测使用句型使用句型MustMust+动词原形动词原形Must have done肯定句肯定句May/mightMay/might+动词原形动词原形May/might have done肯定句，否定句肯定句，否定句Can/could Can/could+动词原形动词原形Can/could have done 否定句，疑问句否定句，疑问句（could可用
14、语肯定句）可用语肯定句）should用来表示一种估计的情用来表示一种估计的情况况“按理会按理会+估计会估计会”should+do/beShould have done 肯定句，否定句，疑肯定句，否定句，疑问句问句表推测时，表推测时，must,may,might,may not和和cant这五个表达的语气依次递减：这五个表达的语气依次递减：must：一定（语气肯定）：一定（语气肯定）may：也许（不很肯定）：也许（不很肯定）might：或许（比：或许（比may语气更弱）语气更弱）may not：也许不（表否定）：也许不（表否定）cant：一定不（：一定不（must的反义）的反义）SummaryA
15、ctivity 2 (At a fancy dress party.)Chris:I spent ages putting up all the balloons and flowers last night.Jean:I expect you are feeling tired now!Chris:Yes,I am.Look,that guy is dressed as Batman.Is that Mike?Jean:Its possibly him.Check out that girl over there.Im sure thats Lucy.Chris:No,I dont thin
16、k thats Lucy.Lucy isnt that tall.Jean:Look at those two guys dressed as chickens!Oh,theyrewaving at us!Maybe theyre from our school.Chris:Lets go and find out.You must be tired now!It may/might/could be him.That must be Lucy.that cant be Lucy.They may/might/couldbe from our school.Rewrite the underl
17、ined sentences in the conversation using can/could,may/might and must.Have you ever heard of“Black Friday”?Black Friday is one of the busiest shopping days of the year.Stores have big sales and open their doors very early.Activity 2 Chinese counterpart Singles DayLook at the picture and make as many
18、 sentences as possible using can/could,may/might and must.Example:The woman in red must be very excited.1.The man with a wallet in his hand 2.The cashier Practice3.The woman with glasses might be a bit reluctant to pay.might be feeling uncomfortable as he is sweating a lot.may be very tired to get u
19、p so early and carry so many bags.1.Underline the words and expressions about celebrations during the Lantern Festival in the speech bubbles and complete the mind map.Lantern Festival celebrationsActivity 3 In our restaurant,we offer Western dinners and desserts.But to celebrate this festival,we pre
20、pare Chinese dishes,too.Rice balls are very popular.The lantern fair attracts a lot of people,so its one of the busiest times of year for the traffic police.We do our best to help the traffic police keep everyone safe.Today,I gave my aunt some flowers and a scarf.I received a red envelope from her.T
21、o celebrate the Lantern Festival,we decorate our windows with balloons and posters.Well hold a lantern riddles competition,too.Come and join us!The fireworks will start at 8:00 this evening in Renmin Square.a scarfa red enveloperice ballsballoonspostershold a lantern fairlet off fireworkshold a lant
22、ern riddles competitiona dresschocolatesdumplingsnoodlesbannersflowersparadehave a reunion dinner 2.Describe the festival celebration using the words and expressions you have learned.To celebrate，we often drink/eat,giveas gifts,decorate with eg.To celebrate the Mid-Autumn Day,we often drink some win
23、e and eat moon cakes,a kind of traditional Chinese food,while the whole family admire the moon.If you receive a written invitation for formal events,which of the following would be the appropriate reply?A.Making a phone call.B.Sending a text.C.Writing a letter.Which of the following behaviors is mos
24、t likely to be inappropriate when you visit somebody?A.Arriving on time.B.Arriving half an hour earlier.C.Arriving twenty minutes late.A festival invitation Activity 3Activity 4 1.Listen to the conversation and complete the sentences with the correct ending.bcf2.Listen again and complete the notes.O
25、ccasion:a 1_ partyWhen:the fourth 2_ in 3_Where:Tonys 4_What to eat:a 5_ with all the side dishes and homemade 6_What to bring:some flowers or 7_What to wear:8_ThanksgivingThursdayNovemberapartmentbig turkeyapple piecandiesanything you like3.Listen again and talk about what the speakers say to exten
26、d and accept an invitation.Tony:Hi,Hugo.Are you free?Tony:Would you like to?Were celebrating.Tony:Thats right.Its the time to Tony:We can Tony:All right!Come to at half past five.Tony:No,therell be.Tony:You can wear.you can bring a friend.Hugo:Yes,Why?Hugo:Id love to.Itll be,right?Hugo:Wow!Sounds great!What else will we do?Hugo:American football?It sounds great!Hugo:OK.Should I bring?Hugo:Do I need to wear?Hugo:Awesome!See you then!When you are extending or accepting an invitation,pay special attention to the following information:the date and the time,what to bring,where to meet,etc.Goodbye
