Grade 7 Grammar Lesson 10 Modals

We use can, could or may to ask permission.

 Can is informal, could is more polite than can; may is used in formal situations.

To refuse permission, we use can’t or may not (but not couldn’t).

Sometimes it is possible to use mustn’t to deny permission.

Go to page 1 2 3 4 5 6 7 8 9 10 11 12