Could I have a strawberry milkshake, please? Is this formal or informal?
Formal
How to give permission? Formal
Of course! No problem!
May I borrow your pen please?
I'm sorry but that's not possible.
How do you ask permission to use a computer? Informal
Can I use your computer?
your use ? computer Can I - Put the sentence in order
Can I use your computer?
I toilet go the Can ? to - Put the sentence in order
Can I go to the toilet?
How to give permission? Informal
Sure. Go right ahead.
Teacher, can I go to the toilet?
Go right ahead.
How do you ask permission to use a computer? Formal
May I use your computer please?
Can I call you? Is this formal or informal?
Informal
Can I use your phone? Negative answer
No, you cannot
Can I use your phone? Positve answer
Yes, you can