Unit 8 It must belong to Carla. Section A

Lead in Who has the following things? Guessing

CDs

books

magazines

toy cars

volleyballs play volleyball

sweater T-shirts

plate cup

hat dictionary football glasses watch

car earrings scarf

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, can’t, couldn’t Presentation 表示推测的情态动词 　 在英语中，表示对某事物的确定程度， 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, can’t, couldn’t

must might can’t 100% probably true could 20%～80% possibly true almost not true can’t

Learn to make inference(推理) must用在肯定句中表示较有把握的推测，意为 “一定”。(100%) 例如： He must be working at home. must 表示对已发生的事情的推测时，must 要接完 成时。 例如：The road is wet. It must have rained last night.

He can’t 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

Can you guess what it is? It could be ________. a dog It also might be ___________. a dog two girls

1a Look at the picture.Write the things you see in the correct columns in the chart. Clothing Fun things Kitchen things hat volleyball plate book cup T-shirt magazine sweater CD toy car

1b Listen and match each person with a thing and a reason. Person Jane’s little brother volleyball J.K. Rowling is her favorite writer. Mary toy truck She loves volleyball. Carla magazine He was the only little kid at the picnic. Deng Wen book She always listens to pop music. Grace CD He loves rabbits.

1c PAIRWORK Practice the conversation in the picture above. Then make conversations using the information in 1b. A: Whose book is this? B: It must be Mary’s. J.K. Rowling is her favorite writer.

Language Points 1.must be +sb.’s 意为“一定是某人的” must belong to sb.意为“一定属于某人” The book must be Mary’s. =The book must belong to Mary. 2.favorite, like, love e.g. I like Jeremy Lin best.=I love Jeremy Lin . =My ________ basketball star is Jeremy Lin . favorite

3. only (adj.) & (adv.) e.g. 他是家里唯一一个男孩。 我只见过他一次。 我的眼里只有你。 He is the only boy in his family. I’ve only seen him once. Only you in my eyes. 4. listen to music pop music folk music jazz light music heavy music hip hop rock&roll rap 流行音乐 民族音乐 爵士乐 轻音乐 重金属音乐 街舞 摇滚乐 说唱乐

5.表示猜测的常用表达方式有： (1)must be “肯定是……” , 表示把握较大的推测。 (2)may/might/could be “可能/或许是” , 把握不大。 (3)can’t be “肯定不是……” , 把握性很大的否定。