| Form | subject + might / may + base verb; one form for every subject | She might come. |
| Negative | might not / may not | He might not come. |
| Possibility | something possible, now or in the future | She might be at home. / We might go to the beach. |
| Might or may | might sounds a little less sure | It might rain. / It may rain. |
| Possibility question | ask with think + will | Do you think it will rain? |
| B1Permission | May + subject + base verb asks; may allows in formal rules | May I use your phone? / Guests may use the pool until 10. |
| B1Certainty | will is sure, probably very likely, may / might possible | She will come. / She'll probably come. / She may come. |
| Trap | may be follows the subject; maybe starts a clause | He may be late. / Maybe he is late. |