| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [adv] have be a | 44 |
|
| 2 | may [adv] have been a | 44 |
|
| 3 | may [adv] have [be] a | 44 |
|
| 4 | may [adv] have [been] a | 44 |
|
| 5 | may well have [be] a | 18 |
|
| 6 | may also have [be] a | 11 |
|
| 7 | 5 |
|
