| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [pers pn] [verb] | 420 |
|
| 2 | [vb infin] [pers pn] [verb] [vb infin] | 85 |
|
| 3 | must [vb infin] [pers pn] [vb infin] | 55 |
|
