1、 Learning Aims（学习目标）（学习目标）1.学习情态动词学习情态动词 could,might,may,must,cant表推测的用法。表推测的用法。2.学习学习belong to的的 用法。用法。3.学习特殊疑问句学习特殊疑问句Whose is this?Whoseare these?4.学习情态动词学习情态动词+be doing的用法。的用法。5.我们要尊重事实，推测要有理有据。我们要尊重事实，推测要有理有据。Whose dog is this?It might/could be_.He is a singer and actor,he is well-known.Whose d
2、og is this?It must be Liu Dehuas.It might/could be_.He is a singer and actor,he is well-known.A Korean(韩国的韩国的)actor,he is cool and popular.Whose dog is this?It might/could be_.A Korean(韩国的韩国的)actor,he is cool and popular.Whose dog is this?It might/could be_.It must be Rains.He is a basketball player
3、.Whose car is this?It might/could be _.It cant be _.It must be_.He is a basketball player.Whose car is this?It might/could be _.It cant be _.It must be_.Yi JianliansYao MingsLook and guess.Look and guess.Who is she?She cant be Guo Jingjing.She might/could be Wang Nan.She must be Zhang Yining.?Oh,yes
4、.She is Zhang Yining.cant在此表示猜测，在此表示猜测，译为译为“不可能不可能”，后接，后接动词原形。动词原形。might/could在此表示猜在此表示猜测，译为测，译为“也许，可能也许，可能”，后接动词原形。后接动词原形。must在此表示猜测，在此表示猜测，译为译为“肯定，极可能肯定，极可能”，后接动词原形。后接动词原形。Liu xiang-It_-Whose exercise book is this?must belong to(属于属于)Liu Xiang.Because it has his name on it.-It_ belong to Mary or L
5、ily Because they both play football.-Whose football is this?might could mayLiliMary-It_ belong to Bush.Because_Bush-Whose red bicycle is this?cant his bike is white and blue.Can this T-shirt beJohns?It cant be Johns.Because its much too small for him.JohnThere are five people in Dicks family.Mr.Smit
6、h is a worker.Mrs.Smith is a housewife.Dicks sister Grace is 20.She has long hair and she likes music.Dick is a 13-year-old boy.He likes sports and can play the guitar.Mark,Dicks brother is just 3 years old.Read the passage and remember the information.A:Whose-is this/are these?Why?B:The might/could
7、/must/cant be Mr.Smith,because C:The might/could/must cant belong to Mr.Smith,becauseMr.Smith,Mrs.Smith,Grace,Dick,Mark Groupworkbroom对正在发生的动作进行推测如何表达？对正在发生的动作进行推测如何表达？Sb.might be doing sth.（某人（某人也许正在做也许正在做某事）某事）Sb.could be doing sth.（某人（某人也许正在做也许正在做某事）某事）Sb.may be doing sth.（某人（某人也许正在做也许正在做某事）某事）Sb
8、.must be doing sth.（某人（某人一定正在做一定正在做某事）某事）Sb.cant be doing sth.（某人（某人不可能正在不可能正在做某事）做某事）I.Choose the best answer1.I dont know him.He _ a new teacher.A.must be B.may C.can be D.maybe2.Mary _ be in Paris.I saw her in town only a few minutes ago.A.mustnt B.shouldnt C.cant D.may notA.must beC.cant对接中考对接中考
9、3.Peter _ come with us tonight,but he isnt very sure yet.A.must B.may C.can D.will4.I thought you _ like something to read,so I have brought you some books.A.may B.might C.could D.mustB.mayD.must5.-Whose pen is this?-It _ Liu Mei，because I saw her use it the other day.A.cant be B.might be C.must bel
10、ong to6.Thats a piece of good news.They _ glad to hear that.A.can be B.might be C.must beII.完成句子完成句子1.这个包一定属于Carla。The bag _ _ _ Carla./_ _Carlas.2.路遥可能是他喜欢的作家。Lu Yao _ _ his favorite author.3.那个玩具车一定不是Grace的。The toy _ _ _.4.我妈妈也许正在做饭。My mother _ _ _.及时小结才能及时小结才能巩固所学知识巩固所学知识 情态动词情态动词 must,might,coul
11、d,cant 后接动词后接动词原形原形,可以表示对现在的情况的可以表示对现在的情况的 .推测推测cant ()()might/could/may()()must ()()+be sbs/belong to sb.不可能不可能 有可能有可能一定一定对正在进行的事情进行推测用：对正在进行的事情进行推测用：_情态动词情态动词+be doingWhose is this?/are these?It/They must be sbs.Becausebelong to sb.It/They could/might/may be sbs.Because belong to sb.It/They cant b
12、e sbs.Because belong to sb.Could/might/may/must/cant +be doingHomework 1.Make some sentences with might,could,may,must,cant,belong to.2.Finish the exercises about modal verbs.Grammar Focus表示推测的情态动词表示推测的情态动词 在英语中，表示对某件事物的确定在英语中，表示对某件事物的确定程度，即表示推测的时候，我们通常程度，即表示推测的时候，我们通常会用到以下情态动词：会用到以下情态动词：must,might,
13、could,cant,couldnt,maymust 一定，肯定（一定，肯定（100%的可能性）的可能性）might,could 有可能，也许（有可能，也许（20%80%的可能性）的可能性）cant 不可能，不会（可能性几乎为零）不可能，不会（可能性几乎为零）1.-Whose book is this?-It Marys.It Mary.Section A 重点句型重点句型:3.The hair band Linda.Lindas.2.-Whose French book is this?-It Alis.She studies French.4.The T-shirt Johns.Its m
14、uch too small for him.(肯定肯定;一定一定)(可能可能)(可能可能)(不可能不可能)赵本山赵本山陈佩斯陈佩斯崔永元崔永元冯巩冯巩周杰伦周杰伦张曼玉张曼玉1 12 23 34 45 56 6The cat could/might belong to _.Challenge 1(Challenge 1(记忆力挑战）记忆力挑战）(测测你的观察能力测测你的观察能力)Zhao BenshanZhao Benshan s cat s catZhang ManyuZhang Manyus cats catJayJays cats catChen PeisiChen Peisi s ca
15、t s catFeng GongFeng Gongs cats catCui YongyuanCui Yongyuans cats cat-Whose is this?-Whose is this?(=It belong to Liu xiang)Bush-It_-It_ bebe Liu Xiang Liu Xiangss.Because it has his name on it.Because it has his name on it.Pairwork:John Tony Liu Xiang当堂练当堂练Fill in the blanks.Then tell your partner
16、why you choose the words.The notebook be Mings.It was on her desk.The homework be Carols.She wasnt at school today.The soccer ball be Johns or Tonys.They both play soccer,dont they?The French book be Li Yings.Shes the only one whos studying French.must/mightcant might must I cant find my backpack.It
17、 be still at school.The photo be Lus.Those are his parents.The red bicycle be Hus.She has a blue bicycle.This ticket be my aunts or uncles.Theyre both going to the concert.must/mightmust cant mightChoose the right answer:n1.-whose book is this?()-It be Lucys.Look,Her name is on the cover.A.can B.mus
18、t C.may D.couldn2.It took me nearly forty minutes to walk here.-Have a drink,please.You be thirsty.()A.will B.must C.should D.cann3.When you cross the road,you be very careful.()A.must B.should C.can D.mayBAA当堂练当堂练Whose earrings are these?They _ be Marys.she never wears earrings.The telephone is ringing,but nobody answers it.He _ be out.“Whose is this book?Oh,it_ Marys.Her name is on the back.”“No,it _ me,she gave it to me yesterday.”cantmay/mightbelong tomust be
