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课件网) Unit 4 Grammar Modal verbs “ 目录 Self-study 01 Presentation 02 Practice 03 Homework 04 CONTENTS A Exploring the rules Below is a website article about how to choose books. Find the sentences that use modal verbs and fill in the table below. The first one has been done for you. Read the website article and complete the mind map. To solve the problem of "what shall I read " Get ideas from _____. Develop your _____. different sources own taste Ask friends, parents, and teachers to _____ books. recommend Read book _____ in newspapers, in magazines or online. reviews Look for books on that _____ interest you. Look through the _____ in library. topics collections Below is a website article about how to choose books. Find the sentences that use modal verbs and fill in the table below. The first one has been done for you. 1 What shall I read 2. You might have asked yourself this question more than once. 3. ...you can get ideas from different sources... 4. To start with, ...... what books you ought to read. 5. Teachers in particular can provide suggestions for interesting reading materials that can be found in the library or bookshop easily. 6. You could also read book reviews in newspapers, in magzines or online. 7. A book review can often tell you whether a book is worth reading or not. 8. These ideas should point you in the rigth direction, 9. However, you must also decide for yourself what kind of books to read. 10. You do not have to read a book just because everyone recommends it. 11. Over time, you may find yourself better able to seek out books to your taste and enjoy reading all the more. Working out the rules Model verbs can express ability or necessity. They can also make suggestions or describe the probability of an event. The same modal verb can have different functions. Modal verbs can be followed by _____. You can choose more than one answer for the blank. a do(the base form) d be done(the passive voice) b doing(the verb-ing form) e be doing(the continuous form) c did (the past form) f have done (the perfect form) a, d, e, f Suggestion Ability Necessity Possibility 1,3,6 5,7 4,9,10 2,8,11 Check answers Modal Verb（情态动词） 情态动词表示说话人的语气和情态,如需要、可能、必须、应该等。 常见的情态动词有: can, could, may, might, must, ought to, shall, should, will 和 would。另外，dare, need, have to和used to也具有情态动词的某些特性。 Self-study can/could → 表能力、 、 。 must → 表 、肯定推测。 may/might → 表 、 推测 。 shall/should → 表义务，_____，推测。 will/would → 表 、意愿、 。 读 P99,情态动词，并填空。 建议、请求、许可 可能性 必要性 请求/许可 习惯 请求 建议 Presentation 情态动词的语法特征 1. 情态动词 不能单独做谓语, 须后接动词原形，构成谓语动词。 2. 情态动词没有人称，时态和数的变化，但有些情态动词，如can, may, will, shall也有一般式和过去式的变化。 情态动词+V原 Practice (完成P49, B1) a Can I keep the book for more than two weeks b Nick can read more in an afternoon tha ... ...
