| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] for [pers pn] | 28 |
|
| 2 | [verb] been for [pers pn] | 26 |
|
| 3 | must [verb] been [pers pn] | 19 |
|
| 4 | must [verb] been for | 14 |
|
