| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] at [art] | 2554 |
|
| 2 | must [verb] at [art] | 93 |
|
| 3 | must [verb] [pron] [art] | 87 |
|
| 4 | must [verb] [pron] at | 19 |
|
