| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [vb infin] [adv] for a [noun] | 6 |
|
| 2 | may [verb] [adv] for a [noun sg] | 6 |
|
| 3 | may [verb] [adv] for a [noun] | 6 |
|
| 4 | may [verb] [adv] for a [noun] | 6 |
|
