| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may not be [prep] [noun] | 20 |
|
| 2 | may not [be] [prep] [noun] | 20 |
|
| 3 | may not [be] [prep] [noun sg] | 16 |
|
| 4 | may not [be] in [noun] | 10 |
|
