| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] must [not/n't] be allowed | 17 |
|
| 2 | [pers pn] must not be allowed | 15 |
|
| 3 | they must [not/n't] be allowed | 6 |
|
| 4 | it must [not/n't] be allowed | 5 |
|
