Это два модальных глагола, которые выражают разрешение. Can используют в неформальной обстановке, а may берут, когда нужно быть вежливее.
May I come in?
Can I ask you a question?
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She asked the policeman if he could show the right direction. OR
She asked the policeman to show the right direction.
My granny ordered me to turn off the radio immediately.
Helen said that it would take her an hour to cook the dinner.
The manager said that they had received a compliant about the prices.
The policeman asked if we/ they knew the cause of the fire.
The boy asked when I had received a telegram.
.
1. There is a splendid view of Lake Geneva from this hotel.
2. The United Kingdom consists of Great Britain and Northern Ireland.
3. The White Sea is in the north of our country.
4. The Pacific Ocean is very deep.
5. Is Canada the largest country in America?
6. The Red Sea is between Africa and Asia.
7. France is to the north of Italy.