We don´t have enough milk in the fridge so we (must- mustn't) buy some more.
We don´t have enough milk in the fridge so we must buy some more.
Mr Brown, (have to- would- may) I go to the bathroom?
Mr Brown, may I go to the bathroom?
Time is not on our side. We (must- mustn't) hurry.
Time is not on our side. We must hurry.
She (might- couldn’t- have to) swim when she was six.
She couldn’t swim when she was six.
Mary gave me a letter to send. I (must- mustn't) forget to mail it.
Mary gave me a letter to send. I mustn't forget to mail it.
You (can- might- shouldn’t) go to bed late. You have an examen tomorrow
You shouldn’t go to bed late. You have an examen tomorrow
You (must- mustn't) wash those carrots. They were in the ground
You must wash those carrots. They were in the ground
You (could- must -can) wear a school uniform. It is a rule.
You must wear a school uniform. It is a rule.
He will be having lessons for another two hours. We (must - mustn't) visit him now.
He will be having lessons for another two hours. We mustn't visit him now.
(would-must-have to) you please help me with this box?
Would you please help me with this box?