| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have [verb] [adv] a | 70 |
|
| 2 | may have [verb] [adv] a | 20 |
|
| 3 | may have [verb] [adv] [art] | 13 |
|
| 4 | may [verb] [verb] [adv] a | 13 |
|
