In the World of Grammar

Упражнение 12
Используйте should или must в данных ситуациях.
1. A person
eat in order to live.
2. If you want to become a doctor you
go to medical school for many years.
3. According to my academic advisor I
take another English course.
4. You
have a passport if you want to travel abroad.
5. Everyone
have certain goals in life.
6. Rice
have water in order to grow.
7. I
go to class, but I don't feel good. I think, I'd better stay home.
8. If a door is locked you
use a key to open it.
9. I don't have enough money to take the bus, so I
walk home.
10. This pie is very good! You
try a piece.

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Упражнение 13
Употребите mustn't или needn't, обращая внимание на категоричность запрета, выражаемую mustn't и отсутствие необходимости совершать какое-либо действие, выражаемое needn't.
1. You
give Freddy any more sweets or he won't have any tea.
2. The doctor said I
go back to the hospital; my leg is all right.
3. You
make any sandwiches for me. I'm not hungry.
4. She
fill in a new application form, we have the other one.
5. You
mention this to Kate, or she'll get upset.
6. She
bring a doctor's certificate, she was only away for one day.
7. You
take any more aspirins, you've had four already.
8. Tell her she
open any letters marked "personal"

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Упражнение 14
Заполните пропуски положительной или отрицательной формами модальных глаголов must/mustn't, need/needn't, had to/hadn't to, should/shouldn't.
1. I really do think you
get your hair cut.
2. You
play with matches. They're too dangerous.
3. My wife suddenly became ill in the middle of the night and I
call the doctor.
4. I'm overweight. The doctor said I
eat too many sweets or potatoes.
5. I like Saturday because I
get up early.
6. You
come with me if you don't want to. I don't mind going on my own. You stay here if you like.
7. When I was at school we
wear a uniform. Everybody hated it.
8. You
touch electrical appliances if you've got wet hands. You could kill yourself.
9. These cars
repairing.
10. I got something for my cough from the chemists's, so I
go to the doctor's.
11. I
study hard because I want to be a qualified specialist.

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