| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not be [verb] [prep] [pron] | 475 |
|
| 2 | must [adv] be [verb] [prep] [pron] | 30 |
|
| 3 | must not [be] [verb] [prep] [pron] | 13 |
|
| 4 | must not be [verb] [prep] [pron] | 13 |
|
