| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [modal v] [adv] have | 382 |
|
| 2 | [adv] may [adv] [verb] | 69 |
|
| 3 | [adv] may [adv] [vb infin] | 69 |
|
| 4 | [adv] may [adv] have | 21 |
|
| 5 | [adv] may [adv] have | 18 |
|
