| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [adv] have been [prep] [adj] | 18 |
|
| 2 | [modal v] not have been [prep] [adj] | 18 |
|
| 3 | [vb mod] not have been [prep] [adj] | 18 |
|
| 4 | may not have been [prep] [adj] | 6 |
|
| 5 | may not have [been] [prep] [adj] | 6 |
|
| 6 | may not have be [prep] [adj] | 6 |
|
| 7 | may not have been [prep] [adj] | 6 |
|
| 8 | may [not/n't] have been [prep] [adj] | 6 |
|
| 9 | may not have been [prep] [adj] | 6 |
|
| 10 | may not have [be] [prep] [adj] | 6 |
|
| 11 | may not [verb] been [prep] [adj] | 6 |
|
