Past modals

Past modals

1. Past modals

2. What are the modal verbs being used for ? 1 a You must go to the doctor’s. b He must be the doctor- he’s wearing a white coat. 2 a You can’t park there. b She can’t be his wife, she’s too young. 3 a I might see a film tonight. b He’s not in class today- he might be ill. 4 a You should drink less coffee. b I don’t think people should drive 4x4s.

3. What are the modal verbs being used for ? 1 a You must go to the doctor’s . → Obligation = You have to b He must be the doctor- he’s wearing a white coat . → Deduction = I’m sure it’s true 2 a You can’t park there . → Permission = You’re not allowed to b She can’t be his wife , she’s too young . → Deduction = I’m sure it’s not true 3 a I might see a film tonight . → Possible intention = Perhaps I’ll go b He’s not in class today - he might be ill . → Deduction =I think it’s a possibility 4 a You should drink less coffee . → Advice = It would be a good idea b I don’t think people should drive 4x4s. → Opinion =I don’t think it’s right

4. DEDUCTION → Deduction =I’m sure it’s true MUST → Deduction =I think it’s a possibility MIGHT or MAY → Deduction =I’m sure it’s not true CAN’T

5. ADVICE → Advice =It would be a good idea SHOULD

6. Deduction about the past Grammar

7. I can’t see the car here . ( park it in this street ) I can’t have parked it in this street . Their plates are clean ! ( enjoy the meal ). They … They must have enjoyed the meal . Jackie didn’t answer the email. ( turn her computer off). She … She might have turned her computer off. Where’s my voting card ? It’s not where I left it . ( move it ). You … You must have moved it . The kitchen floor still looks so dirty . ( clean it ). You … You can’t have cleaned it . The chicken for tonight’s dinner has disappeared ! ( eat it ). The dog … The dog must have eaten it .

8. Should / Shouldn’t I’m very hungry. I should have had breakfast. It’s raining. My plants have died. Peter’s late for the appointment. The printer’s broken. I can’t play the piano. Our children’s school is a long way from our house. My eyes are tired. I cut my finger on the broken glass. This month’s phone bill was enormous. The theatre was full of noisy school children.