| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb past] [pers pn] must [vb infin] | 13 |
|
| 2 | [adv] [vb past] [pers pn] must [vb infin] | 10 |
|
| 3 | [adv] [vb past] he must [vb infin] | 8 |
|
