| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] [to-vb] | 45827 |
|
| 2 | [adv] often [verb] | 1587 |
|
| 3 | often [verb] [to-vb] | 880 |
|
| 4 | [adv] often [to-vb] | 40 |
|
