| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] at [art] | 7184 |
|
| 2 | [pron] must [verb] [art] | 2412 |
|
| 3 | [pron] must [verb] at | 139 |
|
| 4 | must [verb] at [art] | 93 |
|
