| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [adv] [adv] have been | 13 |
|
| 2 | may [adv] [adv] have [be] | 13 |
|
| 3 | may [adv] [adv] have [been] | 13 |
|
| 4 | may [adv] [adv] have be | 13 |
|
| 5 | may [adv] [adv] have [be] | 8 |
|
| 6 | may [adv] not have [be] | 5 |
|
| 7 | may [adv] not have [be] | 5 |
|
| 8 | may [adv] [not/n't] have [be] | 5 |
|
