Unit 8Section APeriod 2 (3a — 3c) 情态动词must, might, could, can’t表示推测，后面都接动词原形，都可以表示对现在情况的揣测和推断，但他们含义有所不同。 must 一定，肯定 (100%的可能性) might, may, could有可能，也 (20%－80%的可能性) can’t 不可能，不会 (可能性几乎为零)Fill in the blanks with must, might, could or can’t.1. The notebook ___________ be Ming’s. It was on her desk.2. The homework ________ be Carol’s. She wasn’t at school today.3. The soccer ball ____________ be John’s or Tony’s. They both play soccer, don’t they?4. The French book _________ be Li Ying’s. She’s the only who is studying French. must/mightmustmight/couldcan’t5. I can’t find my backpack. It ___________ be still at school.6. The photo __________ be Lu’s. Those are his parents.7. The red bicycle ___________ be Hu’s. She has a blue bicycle.8. This ticket ___________ be my aunt’s or uncle’s. They’re both going to the concert.must / mightmustcan’tmight / could 9. The dictionary must be mine. It has my name on it. 10. The CD might / could belong to Tony because he likes listening to pop music. 11. The hair band can’t be Tom’s. After all, he is boy!1.— Is that your teacher? — That _____ be |
