Across 3 What do the modal verbs should and ought to express? 5 What do the modal verbs can and could express? 6 What do the modal verbs can, could, and may express? 7 What do the modal verbs may, might, can, and could express? Down 1 What does the modal verb mustn't express? 2 What does the modal verb must express? 4 What do the modal verbs must, may, might, could, and can'express?

cross
3. The modal verbs "should" and "ought to" express obligation or duty.
5. The modal verbs "can" and "could" express ability or possibility.
6. The modal verbs "can," "could," and "may" express ability, possibility, or permission.
7. The modal verbs "may," "might," "can," and "could" express ability, possibility, or permission.

Down
1. The modal verb "mustn't" expresses prohibition or strong advice not to do something.
2. The modal verb "must" expresses necessity or strong obligation.
4. The modal verbs "must," "may," "might," "could," and "can" express necessity, possibility, permission, or ability.