| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] may not [be] at | 6 |
|
| 2 | may not [be] [adj] at | 15 |
|
| 3 | may not [be] [adj] at | 15 |
|
| 4 | may not [be] [verb] at | 7 |
|
| 5 | may not [be] [vb pp] at | 7 |
|
