1. CONVERSATION: What happened?<br />-Complete the dialogue with the sentences you hear from the audio <br />(Interchange 3)<br />Jackie: You ask Beth to be here around 7:00, ___________?Bill: Yes.___________________?Jackie: It’s ________ 8:00. I wonder what happened.Bill: Hmm. She might ___________ the time. Why don’t I call and see if she’s on her way?Few minutes later…Bill: I got her voice mail, so she ________ have turned on her cell phone.Jackie: I hope she didn’t have a problem on the road. Her car ______________ down or somethingBill: Of course she __________ simply forgotten and done something else today.Jackie: No, she___________________. –I just talked to her about it yesterday. I guess we ______________without her.<br />PAST MODALS FOR DEGGRES OF CERTAINTYIt’s almost certain:She must have left alreadyShe must not have turned on her cell phoneIt’s possible:She may/might have forgotten the timeShe may/might not have remembered the timeHer car could have broken downIt’s not possible:She couldn’t have been at home<br />B. Read each situation and choose the best explanation.<br />Situation1. Jane is in a terrible mood today ___2. Brian got a call and looked worried. __3. The teacher looks very happy today. __4. Maura couldn’t keep her eyes open. __5. Jeff was fired from his job. ___6. My cousin is short of money again. __Explanationa. He may have forgotten a raise.b. She must not have gotten enough sleepc. He might not have done his work on time.d. She could have had a fight with her boyfriend.e. She must have spent too much last month.f. He couldn’t have heard good news<br />PAST MODALS FOR OPINIONS AND ADVICEGiving opinions:You should have called her on the phoneShe shouldn’t have kept your notes this longGiving adviceYou could have been more understanding. I would have borrowed someone else’s notesI wouldn’t have lent them to her<br />C.Create situations for each pair of friends, one that talks about a problem and the other that gives her opinion or a piece of advice. Be creative.<br />