| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [vb infin] [v-ing] a [noun sg] | 8 |
|
| 2 | may [vb infin] [v-ing] a [noun] | 8 |
|
| 3 | may [vb infin] [v-ing] a [noun] | 7 |
|
