| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] [verb] a | 5629 |
|
| 2 | [adv] [verb] a problem | 201 |
|
| 3 | [verb] [verb] a problem | 197 |
|
| 4 | [adv] [verb] [verb] problem | 36 |
|
