| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may not [verb] been [adj] [prep] | 14 |
|
| 2 | may not [vb infin] be [adj] [prep] | 14 |
|
| 3 | may not [verb] be [adj] [prep] | 14 |
|
| 4 | may not have be [adj] [prep] | 14 |
|
| 5 | may not have be [adj] [prep] | 14 |
|
