| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [modal v] [adv] have [be] | 363 |
|
| 2 | may [conj] [modal v] [adv] [be] | 209 |
|
| 3 | may [conj] [modal v] [adv] have | 74 |
|
