| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [pron] [verb] | 516 |
|
| 2 | [vb infin] [pron] for [verb] | 216 |
|
| 3 | must [vb infin] [pron] for | 60 |
|
| 4 | must [vb infin] for [verb] | 8 |
|
