Grammar and usage(1): Modal verbs: general introduction教案推荐

Modal Verbs—General Introduction 情态动词—第一课时

Teaching Objectives: 1.

the basic usage of can/ could/ may/ might/ must/ should 2.

modal verbs+ be doing 3.

modal verbs+ have done Part I. Basic meanings 1.

Modal verbs

Basic meanings

2. --- Can/ Could I come in?

--- Yes, you _______.

---- No, you ____________.

--- May/ Might I come in?

--- Yes, you _______.

--- No, you _____________ 3. ---Must I finish the homework today? ---Yes, you _________.

---No, you __________________________. 4.

may well do: ____________________

may/might as well do: ________________________. 5. can not ... too.../ can not... enough ____________________________ can’t/ couldn’t + 比较级

_______________________________

Part II. modal verbs+ be doing

may + be doing : _____________________

must be doing:________________________ can’t be doing: ________________________ Part III.

modal verbs+ have done

1. When referring to possibility(表推测) (1). The streets are all wet, so it must have rained during the night. (2). The streets are all dry. It can’t/couldn’t have rained during the night. (3). She didn’t come to school yesterday. Can/Could she have been ill? (4). ---I didn’t see Mary at the meeting yesterday.

---She might/may have been ill, I guess. (5). He doesn’t look very sad. He might/may not have been told about the result. 2. When indicating regret or blame(表遗憾或责备) （1）Mr White should/ought to have arrived at 8:30 for the meeting, but he didn’t show up. （2）You shouldn’t/ought not to have done that to your mother, but you did. （3）He could have passed the exam, but he was too careless. Part IV Make a dialogue with your partners to talk about one of your idols(偶像）,using as many madal verbs as possible. For example: I’m talking with an American friend: A: Can you introduce to me some famous Chinese? C: Sure. The person I admire most is Premier Zhou Enlai. You might have heard of him, who is the first Premier of China. A: Yes, I know sth about him. But only a little. He must be very charming to attract you so much. C: He has the charm as well as the personality to stand out. Let me show you some pictures. A: You must have read a lot about him. Could you recommend some books to me.

C: Of course. If you want to know more about him, you might as well read A Biography of Zhou En-lai, which was written by a British writer Dick Wilson . Part V Homework Finish Part A and Part B on page 29.