| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] [adv] | 2821 |
|
| 2 | must [verb] [adv] | 1515 |
|
| 3 | [modal v] [verb] there | 837 |
|
| 4 | must [verb] there | 26 |
|
