人教新课标Unit 5 Period 1初三英语课件

黄牛课件,中国首家新课标免费资源网（不必注册，免费下载）,请记住我们的网址：,Unit 5 It must belong to Carla,Period 1,Jim,Guessing,Who has the following things?,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：must, might, could, may, cant, couldnt.,must,cant,could might,100% probably true,20%-80% possibly true,0 almost not true,Learn to make inference,must用在肯定句中表示较有把握的推测，意为“一定”。(100%) He must be working at home. must 表示对已发生的事情的推测时，must 要接完成式 . The road is wet. It must have rained last night,He cant be _. He could/might be _.,He cant be _. He could/might be _.,He cant be _. He could/might be _.,He cant be _. He could/might be _.,He must be _.,Can you guess what it is? It could be _. It also might be _.,a white vase,two faces,It could be _. It also might be _.,Can you guess what it is?,a dog,two girls,Could A be bigger than B? In fact, A and B must be _ _.,Which one is bigger, A or B?,A,B,the same size,No.,1. 这本书一定是李雷的。他正在找这本书。 This book _be Li Leis. He is looking for it.,2. 这个发带可能是韩梅的。她喜欢戴发带。 The hair band _be Han Meis. She likes wearing a hair band.,must,could,3. 这个玩具熊可能是约翰的妹妹的。 她还是个小姑娘。 The toy bear _belong to Johns sister. She is a little girl.,4. 这个排球不是玛丽的。她根本不喜欢排球。 The volleyball _be Marys. She doesnt like playing volleyball at all.,might,cant,T-shirt,jacket,Toy car,magazine,CD,book,cup,Listening and speaking (1b: P34),is her favorite author.,1. Janes little brother,toy car,He was the only little kid at the picnic.,2. Mary,book,Hemingway,listens to classical music.,3. Carla,volleyball,She loves volleyball.,4. Deng Wen,magazine,He loves cats.,5. Grace,CD,She always,Thank you!,Bye-bye,一. can和could的区别和用法 1. can表示体力和脑力方面的能力, 或根据客观条件能做某种动作的“能力”。 例如： Can you speak English？ Can you make a cake？ can用在否定句和疑问句中时有时表示说话人的 “猜测”或 “不肯定”。,e. g. She couldnt skate when she was five years old. （能力） At that time we thought the story could be true （可能性） could用来提问, 是有礼貌的请求 Could.，please? 语气较为婉转。,e. g. Could I speak to Mr. Smith, please? 二. Might和may的区别和用法: 1. may的用法: a. 表示“允许”或“请求”。 e. g. May I come in？,在使用这一用法时需注意: may表示“允许”的否定形式是must not, 意思是“不应该” “不许可”。e. g. May I take this book out of the reading-room？ No, you mustnt b. 表示说话人的猜测，认为某一事情“或许”或“可能”发生。,e. g. He may know the answer c. may用在感叹句中可表示祝愿、愿望。 e. g. May you succeed(祝你成功。) May you have a pleasant journey (一路平安。),2. might的用法: a. might可以代替may, 表示现在时间的动作，但语气较为婉转客气或更加不肯定。 e. g. Might I take a suggestion？ b. might用来表示现在时间时, 还可表示“规劝”。,We had to be there at 10:00. 有时两者都可以用, 意思差别不大。 e. g. We must/have to leave now. must在表示说话人对事物的推测时候要注意它比may肯定得多, 相当于汉语的“一定”或“准是”。(只有在肯定句中能这样用。),3. Peter _ come with us tonight, but he isnt very sure yet. A. must B. may C. can D. will 4. I thought you _ like something to read, so I have brought you some books. A. may B. might C. could D. must,B. may,B. might,1. 这本书一定是李雷的。他正在找这本书。 This book must be Li Leis. He is looking for it.,2.Translation,2. 这个发带可能是韩梅的。她喜欢戴发带。 The hair band could be Han Meis. She likes wearing a hair band.,3. 这个玩具熊可能是约翰的妹妹的。 她还是个小姑娘。 The toy bear might belong to Johns sister. S