| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [verb] [art] | 83680 |
|
| 2 | must [verb] [art] | 4797 |
|
| 3 | [coord] must [verb] | 569 |
|
| 4 | [coord] must [art] | 9 |
|
