EXERCISES AT PAGES 211-213 (GRAMMAR)
Ex. 1 page 211

1. I can't come to your party.
2. Can you play basketball tonight?
3. Can you use a computer?
4. You can't borrow my bike.
5. We can't answer this question.
6. I can't help you.
7. I can't play this game.
8. Can you help me?

Ex. 2 page 211

1. Can I use your umbrella, Janet? 3
2. Can you drive? 1
3. She can speak four languages. 1
4. Can you help me wash the car? 4
5. I can do my Latin homework by myself. 1
6. If you see Anna, can you tell her I won't be in London next week? 2
7. Can you stop all that noise, please? I'm trying to work. 4
8. You can get stamps from the local newsagents. 2
9. Can you read that sign from this distance? 1
10. You can park round the corner. 3
11. You can't smoke at school. 3

Ex. 3 page 211

1. My train leaves at 12.15. I don't have to get up early.
2. You mustn't look through my wardrobe ever again!
3. I can hear you very well. You don't have to shout.
4. The doctor said I mustn't drink alcohol.
5. You mustn't tell anybody. Keep it to yourself.
6. You mustn't drop litter in the street.
7. The French test has been put off to next week. We don't have to prepare for it.
8. Just write a paragraph. It doesn't have to be very long.
9. Justin knows we'll be late. You don't have to phone him.
10. Visitors to the zoo mustn't feed the animals.

Ex. 4 page 212

1. Can
2. Should
3. Should
4. Might think
5. Can
6. Cannot be ridden
7. Shouldn't be left
8. Is bound to be

Ex. 5 page 212

1. Sorry I'm late. I had to go to the library.
2. My brother might walk before he started talking.
3. You have worked very hard. You must be tired.
4. George didn't have to wait long for the bus.
5. Don't wait for me. I may be late.
6. Helen couldn't do her homework because she was ill.
7. This bus might go to the centre. Shall I ask to the driver?
8. Sam dropped the three glasses, but was able to catch one!

Ex. 6 page 212

1. You ought to see a dentist.
2. We don't have to go to school tomorrow.
3. He can't be John, because he's in Paris.
4. Ann may be at home.
5. You had better wear a warm coat today.
6. I may be late.
7. You can't leave your bike here.

Ex. 7 page 213

1. Went
2. Do
3. Heard
4. Been
5. Started
6. Have
7. Had
8. Later
9. Might
10. Have to

Ex. 8 page 213

1. I have been living here since 2005.
2. My bike must have been stolen.
3. Are you doing anything on Friday?
4. This is the first time I have gone to London.
5. Jack's teacher made him apologise before he left.
6. Maria hadn't finished the test when I left.
7. I mustn't have left my wallet on the train.

SPECIFIC TERMS OF THE EXTRACT "ADOLESCENT PSYCHOLOGY"

• Physical changes: they are all the growth processes which occur during adolescence, for example the voice breaking, the reaching of the adulthood, ...
• Concept formation: the capacity to definite things.
• Generalization: the capacity to assign a definition to things and group together.
• Imagination: the capacity to imagine things and concepts.
• Decision making: the capacity to decide what to do without somebody else's approval.
• Emotional instability: it is the sudden changeover from happiness to sadness without a real cause.