Unit 13 PeopleLesson 3 Guessing about PeopleTeaching 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:Ⅰ. Warming up T: First look at the title “Guessing about People” Who can tell me what’s the meaning of the title?S: T: “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 various guess. Think over which words we will use when we guess what will happen? What happened?S: must, may, may not, can, can’t and so on . T: now we will listen to a dialogue in which there are a lot of words about speculation.ⅡListeningListen to the dialogue to do the exercise1. The two students were missing ______.A. because they were separated from the other students.B. in a cave.C. for the reason we don’t 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. 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:T: Now let’s look at whether your story is true or not. Do the exercise 2 Listen to the dialogue again and complete the gapsPlay the cassette once for students to listen and then again for them to complete the gaps.Ⅲ GrammarDo the exercise 3. The two people in the dialogue make various guesses at the two missing students.The...