| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] [prep] [be] | 1713 |
|
| 2 | may [vb infin] [prep] [be] | 859 |
|
| 3 | may not [vb infin] [prep] | 348 |
|
| 4 | may not [vb infin] [be] | 256 |
|
