| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] must be [verb] | 2446 |
|
| 2 | [pers pn] must [not/n't] [verb] | 1099 |
|
| 3 | must [not/n't] be [verb] | 548 |
|
| 4 | [pers pn] must [not/n't] be | 249 |
|
| 5 | [pers pn] [not/n't] be [verb] | 65 |
|
