| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] must be | 6503 |
|
| 2 | [pers pn] [prep] be | 5560 |
|
| 3 | [pers pn] must [prep] | 347 |
|
| 4 | must [prep] be | 149 |
|
