lunes, 8 de abril de 2013


Modal verbs: ability, permission, advice and obligation
1 Complete the sentences with the modal verbs in the box.
• can • can’t • could • couldn’t • may • will be able to
1 He’s not coming rafting because he swim.
2 I wanted to watch a fi lm, but I make the DVD player work.
3 I play guitar, but not well enough to play in your band.
4 Wendy relax as soon as her exams finish next week.
5 Oliver solve difficult maths problems when he was really young.
6 I use your phone, please?
2 Complete the sentences with the correct form of the modal verbs in brackets.
1 Sssh, stop talking! You (must) make noise.
2 If you feel bad, you (should) lie down and take a rest.
3 He can go home now. He (have to) stay here.
4 If I cook, then Caroline (have to) do the washing-up.
5 You (must) stop spending the whole day on the internet. It’s not healthy!
6 She (need to) do something with her hair – it looks terrible!
7 You (need) come with us if you don’t want to.
8 Sebastian (ought to) register with a social networking site.
3 Choose the correct option to complete the text.
If you’re going camping in the mountains, you 1may / must make some preparations. First, you 2should / needn’t think
about yourself: are you fi t enough? Go for a walk with your rucksack on your back. If it’s too heavy for you on fl at land,
you 3don’t have to / mustn’t try to carry it up a mountain! But if you’re young and healthy, you’re probably fi t enough.
Take a light tent and a sleeping bag, but remember that the sleeping bag 4shouldn’t / needs to be warm enough for
mountain nights. You’ll 5must / have to carry a map and a compass and some cooking equipment, too. And it’s not a
bad idea to carry a whistle. If you get lost, you will 6be able to / can make a loud noise so that people can fi nd you.
Finally, you 7can’t / must always have enough water. Last year, I 8had to / must come back down a mountain late one
evening because I didn’t have water for the next morning!
Modal verbs: possibility and certainty
4 Order the words to write the answers.
1 Where’s Fiona?
She / in / kitchen / be / might / the / .
2 Why is the baby so quiet?
asleep / be / He / must / .
3 What’s that noise?
It / someone’s / could / mobile / be / phone / .
4 How much do you think that costs?
can’t / very / It / expensive / be / .
5 He learned to speak Indonesian in just one year!
a / be / language / can’t / It / diffi cult / very / .
Modal verbs with the perfect infi nitive
5 Write the answers using the prompts.
1 How did he earn so much money?
He / must / get / good job.
2 Where did she meet her boyfriend?
They / might / meet / on holiday.
3 Why do you think he’s so tired?
He / can’t / sleep / much.
4 Do you think I bought the right shirt?
No. / You / should / buy / the green one.
5 He doesn’t look very happy, does he?
He / shouldn’t / split up / his girlfriend.