| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may not be [vb pp] [to-vb] | 25 |
|
| 2 | may not be [verb] [to-vb] | 25 |
|
| 3 | may not be [verb] [to-vb] | 25 |
|
| 4 | may not be allowed [to-vb] | 8 |
|
| 5 | may not be allow [to-vb] | 8 |
|
