6.5 Modal verbs for obligation and permission
1 Choose the correct option.
0 The sign says you mustn't / needn't take photos in the museum. It's
not allowed.
1 I can/can't come into town with you tomorrow. My mum's asked me
to help her at home.
2 I have to / needn't email my brother in the US today - it's his
birthday!
3 For this shopping trip, Tim mustn't / doesn't have to leave his wallet
at home like he did last time!
4 Do we have to / Can we go to the beach again tomorrow? Please say
yes!
5 Sarah doesn't have to / mustn't get the bus home from the airport
because her dad's collecting her.
2 Complete the second sentence so that it has a similar meaning to the
first. Use modal verbs.
0 . Don't be late for school again!
. You mustn't be late for school again!
1 • Do I need to do anything else today?
. Do
anything else today?
2 Police officers wear a uniform. It's compulsory.
- Police officers
a uniform.
3 . You needn't wear a suit to the party.
. You
a suit to the party.
4 4 . It's not permitted to drive into the city centre this weekend.
. You
into the city centre this weekend.
5 • Pupils are permitted to use mobiles in the playground.
• Pupils
mobiles in the playground.