B3Unit 1 Grammar情态动词.docVIP

课题 必修 Unit 1 Festivals around the world Grammar 学案 Modal verbs（情态动词） Learning aims: 1. To learn the modal verbs 2. To learn the usages of different modal verbs Learning important and difficult points: How to use modal verbs correctly Learning methods: Autonomous learning; Cooperative learning; Discussion 问题导读评价单 品味语法 仔细观察下列句子，并注意画线部分情态动词的用法。 1. May I take the book out of the reading room? ( ) 2. He can speak French fluently. ( ) 3. Shall we go there by train? ( ) 4. The story may not be true. ( ) 5. You mustn’t play with fire because it is too dangerous. ( ) 6. Will you please tell me how to get to the hospital? ( ) 7. Last year our English teacher would tell us stories in English after class. ( ) A．request （请求） B. possibility（可能性） C. ability(能力) D. past habit (过去的习惯) E. permission (允许) F. advice（建议） G. forbiddance (禁止) 问题解决评价单 1.can与could的用法 情态动词 用法 例句 can 与 Could表示能力 Some of us can use the computer now, but we couldn’t last year. 表示客观的可能性 It will be sunny in the daytime, but it could rain later on this evening. 表示请求和允许 --- Can I go now? --- Yes, you can. 表示请求,口语中常用could代替can,使语气更加婉转 Could you wait a few days for the money? Could you please show me the way to the station? 在疑问句和否定句中表示“怀疑”，“推测”，“可能性” Can this news be true? It can’t be the headmaster. He’s gone to Beijing. How can you be so foolish! 2.may 与might的用法 情态 动词 用法 例句 may 与 might 表示允许、许可。否定答语一般要用mustn’t，表示“禁止、阻止”之意。 --- May I watch TV after supper? --- Yes, you may. / No, you mustn’t. 在表示请求、允许时, might比 may的语气更委婉一些。在日常口语中，用can征询对方意见更为常见。 ---Might I use your telephone? --- Yes, please. --- May / Can I go home now? --- Yes, you may / can. 表示可能性的推测，含有“或许”“大概”“可能”之意，用might代替may时，则语气显得更加不肯定。 What he said may be true. She may come tomorrow. He might have some fever. 3.will与would的用法 情态 动词 用法 例句 will 与 would 用于表示意志或意愿。Will指现在，would指过去 I will never do that again. They said that they would he