| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must n't [verb] be | 6 |
|
| 2 | [pers pn] must n't [verb] be | 6 |
|
| 3 | must n't [verb] [pron] be | 11 |
|
| 4 | must n't [verb] [pers pn] be | 7 |
|
