English grammar B1 · Lesson 3 of 4
Modal verbs
Modal verbs, , , , , , and , never take and are followed by the base form without : , .
is ability or permission, a strong obligation, advice, a possibility: . forbids, while means it isn't necessary.
Questions put the modal first, and negatives add : , . In writing, is one word.
Examples
- She can speak three languages.
- You should see a doctor.
- We must leave now.
- It might snow tonight.
- You don't have to come.