Modals verbs

1. I can speak a little Russian I may be home late. I must go now.

2. Modals are auxiliary verbs. They do not need an additional auxiliary in negatives or questions. For example: Must I come? (Do I must come?), or: He shouldn't smoke (He doesn't should smoke).

3. Past simple Sorry I'm late. I had to finish my math test. Present perfect She's had to return to Korea at short notice. Future You'll have to work hard if you want to pass the exams.

4. Examples

5. The modal verbs include  can, must, may, might, will, would, should. They are used with other verbs to express ability, obligation, possibility, and so on. Below is a list showing the most useful modals and their most common meanings

6. Modal verbs are unlike other verbs. They do not change their form (spelling) and they have no infinitive or participle (past/present). The modals must and canneed substitute verbs to express obligation or ability in the different tenses. Here are some examples

6.1. Examples