1 On top of the world!
Extra Practice
1.2 Grammar Modals of obligation, prohibition or necessity
1 * Choose the correct option.
You didn’t have to You don’t have to You had to
1 School uniform is compulsory. We have to / don’t have to wear it. You have to You must You mustn’t
2 I mustn’t / must go home now. I can’t stay out late.
5 It’s important not to wear that T-shirt to football practice.
3 We don’t have to / didn’t have to stay inside school at lunchtime. We
……………………………………………………………………………………...
can go outside if we want.
6 It isn’t compulsory to wear a watch to school.
4 Miss Stone had to / must teach us yesterday. Our teacher was sick.
…………………………………………………………………………………….
5 You must / mustn’t put milk in her tea. She doesn’t like it.
3 *** Write sentences about these things. Use modals of obligation,
6 I didn’t have to / mustn’t study when I was five. prohibition and necessity. Give reasons for your opinions.
one thing that isn’t necessary to do at weekends I don’t have to get up
early at weekends because I don’t have to go to school.
2 ** Replace the underlined words with the phrases.
1 one thing that’s necessary to do every weekend ………………………...
You didn’t have to You don’t have to You had to You have to
You must You mustn’t ….….……………………………………………………………………………….
2 one thing that’s important not to do in a restaurant ………………………
1 It’s necessary to pay to travel on a bus.
……..……………………………………………………………………………….
…………………………………………………………………………………….
3 one thing that’s important to do in a restaurant …………………………..
2 It wasn’t compulsory to wear seat belts 50 years ago.
………..…………………………………………………………………………….
…………………………………………………………………………………….
4 one thing that was necessary to do when you were young, but isn’t
3 It’s necessary to practise to be good at English.
now ……………………………………………………………………………
…………………………………………………………………………………….
…...…………………………………………………………………………………
4 It was compulsory to call male teachers Sir when I was young.
…………………………………………………………………………………….
Student’s Book 1.2 Unit 1
1 On top of the world! Extra practice
3 It’s necessary to practise to be good at English.
1.2 Grammar Modals of obligation, prohibition or
You must practise to be good at English.
necessity
4 It was compulsory to call male teachers Sir when I was young.
1 * Choose the correct option. You had to call male teachers Sir when I was young.
1 School uniform is compulsory. We have to / don’t have to wear it. 5 It’s important not to wear that T-shirt to football practice.
2 I mustn’t / must go home now. I can’t stay out late. You mustn’t wear that T-shirt to football practice.
3 We don’t have to / didn’t have to stay inside school at lunchtime. We 6 It isn’t compulsory to wear a watch to school.
can go outside if we want. You don’t have to wear a watch to school.
4 Miss Stone had to / must teach us yesterday. Our teacher was sick. 3 *** Write sentences about these things. Use modals of obligation,
prohibition and necessity. Give reasons for your opinions.
5 You must / mustn’t put milk in her tea. She doesn’t like it.
one thing that isn’t necessary to do at weekends I don’t have to get up
6 I didn’t have to / mustn’t study when I was five.
early at weekends because I don’t have to go to school.
1 one thing that’s necessary to do every weekend ………………………...
Student’s own answers.
2 ** Replace the underlined words with the phrases. 2 one thing that’s important not to do in a restaurant ………………………
You didn’t have to You don’t have to You had to You have to Student’s own answers.
You must You mustn’t 3 one thing that’s important to do in a restaurant …………………………..
1 It’s necessary to pay to travel on a bus. Student’s own answers
You have to pay to travel on a bus. 4 one thing that was necessary to do when you were young, but isn’t
2 It wasn’t compulsory to wear seat belts 50 years ago. now ……………………………………………………………………………
You didn’t have to wear seat belts 50 years ago. Student’s own answers
Student’s Book 1.2 Unit 1
