Page 184 - Complete First B2 (third edition) Student Book

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Ufr ! w.

In order to get o tourist visa for the USA, I had to fill in an online PRACTICE
application form and make an online payment. 0 Choose the correct verb in italics.

• We use have to more often than must in questions: 1 Do we have to / must leave now?
Do we have to complete every section in the survey?
2 I must / have try to be more punctual.
• We use must for a goal (or an obligation) that we give
ourselves: 3 The police warned me that I might / must never drive
I must make a bigger effort to meet the targets I set myself. without insurance again.
4 We’resupposed to / should follow all the club rules.
• We use have to when the obligation comes from someone
else: 5 You should / supposed to never cheat in an exam or copy
My manager has just handed me a list of jobs that I have to other students’ homework.
complete by Friday at the latest.
6 In my country, men accept that they may / ought to offer
• We use must for strong advice: their seat to women on public transport.
You must be extremely attentive when you start learning how
to handle birds of prey. 7 You can / must buy lunch in the canteen, or bring a
sandwich if you prefer.
Other ways of expressing obligation
Q Tick the correct sentences. Correct the sentences with
• We use be supposed to + infinitive to talk about an obligation mistakes.
which is different from what really happens:
We’re supposed to do circuit training for two hours a day. (But 1 You are not let to park in front of the entrance.
most people do much less.) 2 The teacher allowed them to use calculators in the maths
Aren’t you supposed to be doing group work now? (i.e.not test.
chatting with friends over coffee)
• We use should + infinitive without to to talk about the right 3 You may leave the room when you have finished the
thing to do, but which is different from what really happens: exam.
You should always use your own words when you write an 4 I wish I hadn’t put a coat on.I didn t need to do as now I’m
’
essay, not copy texts you have found on the internet. too hot.
• The past of should is should have + past participle: PDF from sachtienganhhanoi.com
You shouldn’t have answered that question in only150 words! 5 You don’t have to wear casual clothes on ‘dress -down
• We can use ought to to mean ‘should’: Friday’,but most people do.
In some cultures,young people are taught that they ought to 6 I needn’t have bothered to buy a return ticket because my
be especially respectful towards older people. friend gave me a lift home.

Permission 7 The film star was hoping to have a quiet night, but he got
recognised at the restaurant.
• To express permission, we use can (past could), let, allowed
to and may (past was/ were allowed to):
You can drive to college, but you must park your vehicles in the
spaces allocated to students. THE PASSIVE
Am I allowed to use my student identity card to get reduced
fares on public transport? The passive is formed from the verb to be + past participle
(done/eaten/cleaned,etc.).
She let him copy her notes before the exam.
• We use may in formal situations: active passive
You may go and wait outside the interview room when you They washed all the dirty All the dirty plates were
have completed the questionnaire. plates by hand. washed by hand.

• To say that there is no obligation,or it’s not necessary, we It’s helpful when people keep It’s helpful when you're
'
use don t have to,don’t need to and needn’t: you well informed. kept well informed.
You don ’ t have to take your shoes off, if you don’t want to, but Residents can hear the noise The noise from the
it is expected when you are invited into most homes in Sweden. of the traffic even from the traffic can be heard even
You needn’t wear asuit and tie for this job, but it’s important top floor of the building. from the top floor of the
to dress smartly. building.
• / didn’t need to means ‘It wasn’t necessary and I didn’t do it’; The removal company has All our belongings have
I needn’t have means ‘It wasn’t necessary but I did it’: packed all our belongings been packed ready for the
I didn’t need to read the novel to find out about the plot of the ready for the move. move.
story because I’d already seen the film.
You needn’t have bothered to bring a present, but thanks very
much anyway. It’s much appreciated.