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1、If you study hard, you will get good grades.,REVISION:,真实性的条件状语从句： 主句用将来时，if引导的从句用一般现在时。 （主句和从句的位置可以互相换置）,虚拟语气的条件状语从句： 主句：主语+would+do+其它 从句：If+主语+done(were)+其它 （主句和从句的位置可以互相换置）,If I had lots of money , I would buy a big house.,I would buy a house ,If I were you.,What does he do?,He is a teacher.,Wha
2、t do they do?,Theyre students,If you are a student , you must study hard. Yes or no?,If you are a student , you must finish your homeworke on time. Yes or no?,情态动词： must, can, could, may, might.,情态动词+动词的原形 Eg: We must do our homework.,Unit 5,It must belong to Carla.,Section A,Guessing games,What doe
3、s she do?,She could/might be a/an_,She must be a teacher.,teacher,nurse.,What does he do?,He could/might be a _,He must be a doctor.,worker,farmer,doctor,He is a doctor.,Grammar Focus,表示推测的情态动词 在英语中，表示对某件事物的确定程度，即表示推测的时候，我们通常会用到以下情态动词.(情态动词+动词的原形) must, can, could, may, might.(肯定) cant, couldnt. (否定
4、),must 一定，肯定（100%的可能性）,might, could 有可能，也许（20%80%的可能性）,cant 不可能，不会（可能性几乎为零）,mightcould be,Ann,must be,=belong to (sb.) 属于某人,be sb.s 是某人的,= It must belong to Ann,could/might be,John,cant be,Look and guess.,Who is she?,She cant be Guo Jingjing.,She might/could be Wang Nan.,She must be Zhang Yining.,?,
5、Oh, yes. She is Zhang Yining.,cant在此表示猜测，译为“不可能”，后接动词原形。,might/could在此表示猜测，译为“也许，可能”，后接动词原形。,must在此表示猜测，译为“肯定，极可能”，后接动词原形。,肖勇,Whose notebook is this?,Why?,Because his name is on the book.,It must belong to Xiao Yong.,= It must be XiaoYongs.,Because it has his name on the book.,Whose skirt is this?,J
6、ane,Mike,It belong to Jane.,It belong to Mike.,Because she is the only woman here.,cant,must,Why?,Whose skirt is this?,Jane,Mike,Janes.,Miss Yangs.,Jane.,Miss Yang.,It cant,be Mikes.,belong to Mike.,Whose is this ?,It cant be sbs.,It must be sbs.,It could /might be sbs.,belong to sb.,belong to sb.,b
7、elong to sb.,Jim,-Whose bike is this ?,-It couldmight blong be Jim. He rides his bike every morning.,Grammar Focus,表示推测的情态动词 在英语中，表示对某件事物的确定程度，即表示推测的时候，我们通常会用到以下情态动词.(情态动词+动词的原形) must, can, could, may, might.(肯定) cant, couldnt. (否定),must 一定，肯定（100%的可能性）,might, could 有可能，也许（20%80%的可能性）,cant 不可能，不会（可能
8、性几乎为零）,-Whose football is this ?,-It couldmight be( couldmight blong to ) John and Tony s. They like playing football.,Jim,-Whose bike is this ?,-It couldmight blong be Jim. He rides his bike every morning.,could be,cant be,Look and guess.,Who is she?,She cant be Guo Jingjing.,She might/could be Wan
9、g Nan.,She must be Zhang Yining.,?,Oh, yes. She is Zhang Yining.,cant在此表示猜测，译为“不可能”，后接动词原形。,might/could在此表示猜测，译为“也许，可能”，后接动词原形。,must在此表示猜测，译为“肯定，极可能”，后接动词原形。,Whose is this ?,It cant be xxs. Because,It must be xxs. Because,It could /might be xxs. Because,belong to xxx.,belong to xxx.,belong to xxx.,j
10、acket T-shirt,toy car magazine book CD,cups,1a,Listen and match each person with a thing and a reason.,1b,New Words,belong to (sb.) 属于某人,author 作家；作者,Hemingway,= be sb.s 是某人的,王 刚,hair band 发带,Bob and Anna found a backpack in front of their school. Listen and write down the things in the backpack.,2a
11、,hair band,tennis balls,1. The person _ go to our school. 2. The person _ be a boy. 3. It _ be Meis hair band. 4. The hair band _ belong to Linda. 5. It _ be Lindas backpack.,must,cant,could,might,must,Listen again. Fill in the blanks.,2b,The notebook be Mings. It was on her desk. The homework be Ca
12、rols. 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/might,cant,might,must,Fill in the blanks. Then tell your partner why you choose the words.,2c, I cant find my backpack. It b
13、e 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/might,cant,might,must,情态动词 must, might, could, cant 后接动词原形, 可以表示对现在的情况的 .,Summary:,be Tonys （是的） It must,推测,不可能,有可能,肯定,belong to Tony. (属于),及时小结才能巩固所学知识,Knowledge Tree （知识树）,句型,语法,Unit 5,Summary:,belong to, author, picnic, hair band, possibly,It must belong to Carla. It could be Tonys.,单词,must: 100% could, might:20%-80% cant 0%,