| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [adv] [that] [pron] | 15 |
|
| 2 | must [vb infin] [adv] that [pron] | 15 |
|
| 3 | must [vb infin] [adv] [that] [pers pn] | 11 |
|
