1. Underline the correct forms of the verb be.
1 You …have to… wash your hands before you go into this room.
2 Excuse me, madam. You ……………. stand up until the plane has stopped.
3 I’m sorry, sir. You ……………. take photos in here with a flash.
4 Excuse me. I’m afraid you ……………. wear your seat belt all the time.
5 Visitors ……………. wear hard hats when they come to this building site.
6 I’m sorry. You ……………. smoke in the toilet.
Answer
2 can’t 3 can’t 4 have to 5 have to 6 can’t
2. Underline the correct words to complete the text.
I work as a receptionist in a big hotel, so I (1) must / mustn’t / can always be polite to the guests. During the week, I (2) don’t have to / can’t / must go to bed late because I have to start work early. Fortunately, I (3) don’t have to / mustn’t / can’t wear a uniform, but I (4) can / mustn’t / have to dress smartly.
My sister’s a student, so she (5) mustn’t / doesn’t have to / can’t get up early most days. However, she (6) doesn’t have to / mustn’t / has to study very hard at the moment because she’s got important exams next month.
My dad’s a taxi driver, so he often (7) has to / mustn’t / can’t work in the evenings and at weekends. He (8) doesn’t have to / mustn’t / must drive fast because there are speed cameras everywhere in my town.
My mum’s a nurse, so she (9) has to / mustn’t / can’t wear a uniform when she’s at work. Sometimes she starts work very early but my dad usually takes her to work in his taxi, so she (10) must / doesn’t have to / mustn’t get the bus.
Answer
2 can’t 3 don’t have to 4 have to 5 doesn’t have to 6 has to
7 has to 8 mustn’t 9 has to 10 doesn’t have to
3. Flavia works in a call center. Read her office rules. Complete Flavia’s description of her work with have to, can or can’t and the words in brackets.
Office Rules
Employees must wear a uniform at all times.
Employees must not check emails during working hours.
You must not talk to other employees during working hours.
You must answer the phone within 5 seconds.
Employees must always be polite to customers.
I’m telling you, Jo, it’s a terrible place to work! The customers can’t see you, but we still (1) …have to…… wear a uniform all the time. You (2) ……………. (wear) your normal clothes.
I (3) ……………. (check) my emails – it’s not allowed – and I (4) ……………. (speak) to my colleagues during the day! Fortunately, we (5) ……………. (talk) to each other during our breaks!
When the phone rings, we (6) ……………. (answer) it very quickly – withing 5 seconds. And we always (7) ……………. (be) polite to customers, but they’re often incredibly rude to us! I really (8) ……………. (find) a new job!
Answer
1 have to 2 can’t wear 3 can’t check 4 can’t speak
5 can talk 6 have to answer 7 have to be 8 have to find
4. Choose the correct option.
1 Visitors must not / don’t have to smoke in the building.
2 It’s a relaxed office – you must not / don’t have to wear a tie.
3 I start at 10 am, so I mustn’t don’t have to get up early.
4 Employees must not / don’t have to park in the customer car park. It is for customers only.
5 If there is a fire, you must not / don’t have to use the lift. You must use the stairs.
Answer
1 must not 2 don’t have to 3 don’t have to 4 must not 5 must not
5. Complete the sentences with one of the expressions from the box. Use each expression once.
|
can can’t doesn’t have to has to must must not |
1 In my office, we …………… eat or drink at our desks. We have to go to the canteen.
2 My job’s really nice. I …………… start work when I want and finish when I want.
3 She works from home so she …………… drive to work.
4 Warning! Dangerous work area. Visitors …………… enter without permission.
5 Important! You …………… keep your visitor card with you at all times.
6 He …………… travel a lot in his job. Sometimes he goes to three or four countries in a month.
Answer
1 can’t 2 can 3 doesn’t have to 4 must not 5 must 6 has to
6. Choose the correct answers.
1 Employees must not use their computers to send personal emails.
‘We …………… use our computers to send personal emails.’
(a) have to (b) don’t have to (c) can’t
2 Employees can leave the building at lunch time.
‘We …………… stay in the building at lunch.’
(a) must (b) don’t have to (c) can’t
3 Employees …………… use social media.
‘We can’t use social media at work.’
(a) must not (b) must (c) don’t have to
4 Employees …………… make local phone calls on company phones.
‘We don’t have to use our mobiles to make local calls.’
(a) can (b) can’t (c) must
5 Employees …………… wear a shirt and tie.
‘We have to wear a shirt and tie.’
(a) can (b) must not (c) must
Answer
1 c 2 b 3 a 4 a 5 c
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