| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] at the | 7349 |
|
| 2 | must [verb] [adv] the | 141 |
|
| 3 | must [verb] at the | 84 |
|
| 4 | must [verb] [adv] at | 45 |
|
