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Study
Modal verbs for obligation and permission
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I must / mustn't remember to take my laptop to school tomorrow.
I must remember to take my laptop to school tomorrow.
Oops!
Okay!
You can / can't wait for me here – I'll be right back.
You can wait for me here – I'll be right back.
Oops!
Okay!
A tourist guide has to / doesn't have to find solutions to problems quickly.
A tourist guide has to find solutions to problems quickly
Oops!
Okay!
He mustn't / doesn't have to wear suits every day but he likes smart clothes.
He doesn't have to wear suits every day but he likes smart clothes
Oops!
Okay!
You don't have to / mustn't pay to visit the museum – it's free for students.
You don't have to pay to visit the museum – it's free for students.
Oops!
Okay!
I must / mustn't forget to phone John this afternoon.
I mustn't forget to phone John this afternoon.
Oops!
Okay!
Can you / Do you have to call your brother now? I want to ask him a question.
Can you call your brother now? I want to ask him a question.
Oops!
Okay!
We need to / needn't tell your father about it – it will be our secret.
We needn't tell your father about it – it will be our secret.
Oops!
Okay!
We need to / needn't hurry up – we're late.
We need to hurry up – we're late.
Oops!
Okay!
Can you / Do you have to do your homework now? I need your help.
Do you have to do your homework now? I need your help
Oops!
Okay!
You mustn't / don't have to leave now – the class hasn't finished yet.
You mustn't leave now – the class hasn't finished yet.
Oops!
Okay!
A rock musician has to / doesn't have to shave every morning.
A rock musician doesn't have to shave every morning.
Oops!
Okay!
You mustn't / don't need to wear a suit if you don't want to.
You don't need to wear a suit if you don't want to.
Oops!
Okay!
You need to / don't have to wear special clothes – it's obligatory.
You need to wear special clothes – it's obligatory.
Oops!
Okay!
I'm sorry but you can / can't park here.
I'm sorry but you can't park here.
Oops!
Okay!
You mustn't / have to eat or drink in the library.
You mustn't eat or drink in the library.
Oops!
Okay!
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