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1、 Unit 13 People Lesson 3 Guessing about People Teaching Aims:To practise using modals for speculationTo distinguish between modals used for decision, advice and speculationTeaching difficulties:To practise using modals for speculationTeaching Aids: computer, cassetteTeaching procedures:. Warming up
2、T: First look at the title “Guessing about People” Who can tell me whats the meaning of the title?S: w.w.w.k.s.5.u.c.o.mT: “Guessing about people” means make a judge about people without being sure of all the facts. In daily life If we are curious or worried at somebody or something we often make va
3、rious guess. Think over which words we will use when we guess what will happen? What happened?S: must, may, may not, can, cant and so on . T: now we will listen to a dialogue in which there are a lot of words about speculation.ListeningListen to the dialogue to do the exercise1.The two students were
4、 missing _.A.because they were separated from the other students.B. in a cave.C. for the reason we dont know. 2. The dialogue tells us _.A. The two students disappeared 3 days ago.B. My cousin know where they areC. The rescuers found them in a cottage. 3. The dialogue makes various guessed except_.A
5、.They must be frightened.B.They both are injured.C.They might have some food to eat.Answers: 1.C 2.A 3.BT: Ca n you say out the main idea of the story in you own words?S: w.w.w.k.s.5.u.c.o.mT: Now lets look at whether your story is true or not. Do the exercise 2 Listen to the dialogue again and comp
6、lete the gapsPlay the cassette once for students to listen and then again for them to complete the gaps. GrammarDo the exercise 3. The two people in the dialogue make various guesses at the two missing students.They use the following sentences but you need to complete the gaps with modal verbs. Chec
7、k students answers by having them read the sentences aloud. Draw their attention to the different infinitive forms after the modals.Do the exercise 4. As a class students discuss the meaning of the sentences in the table and decide if they express decision, advice or speculation.Ask students how the
8、y would express decision (is going to; is about to;) and advice (should , had better, )Do the exercise 5The grammar we learn today is modal verbs. Modal verbs can express possibility, permission, intention and guess. Now do the exercise 5. Which of the modal verbs in exercise 3 express the following
9、.Do the exercise 6 As a whole class, students discuss what the sentences 1-3 are referring to and match them with a, b and c.Guide students to analysis the modal verbs use in the past, in the future and now.用在肯定句中：对过去的推测：may /might have +PP(过去分词)must have +pp(过去分词)对现在的推测：must be + noun / adjmaybe/ m
10、ust be + vingmust +v(原形)用在否定句中对过去的推测：cant have + PP(过去分词)对现在的推测：w.w.w.k.s.5.u.c.o.mcant be + noun / adjcant +v(原形)Do the exercise 7, 8 and 9 to practise and consolidate modal verbsDo some Best Choice to consolidate modal verbs1.Do you know where David is? I couldnt find him anywhere. -Well. He _have
11、 gone farhis coat s still here.A.shouldnt B. mustnt C. cant D. wouldnt 2 -Excuse me. Is this the right way to the Summer Palace?-Sorry, I am not sure. But it _be .A. might B. willC. must D. can3. -Tom graduated from college at a very young age. - Oh, he _have been a very smart boy then.A.could B. sh
12、ouldC. might D. must4. -I heard they went skiing in the mountains last winter. - It _ true because there was little snow there. A. may not be B. wont be C. couldnt be D. mustnt be5. Jack _yet, otherwise he would have telephoned me. A. mustnt have arrived B. shouldnt have arrived C. cant have arrived
13、 w.w.w.k.s.5.u.c.o.m D. neednt have arrived6. -Didnt you know that you went driving at 100 kilometers an hour, Madam?- _. My old car can do no more than 80, officer.A.I may not have been B.I couldnt have beenC.I mustnt have beenD.I shouldnt have been Answers: 1.C 2.A 3.D 4.C 5.C 6.C Homework It is possible that some students cant master the use of modal verbs individually. So the teacher ask students to do the exercise 10 and 11 as written homework to find out the mistakes of students to help them. Another purpose is to save time in class and give students enough time to do well the exercise.