| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [conj] [to-vb] | 3143 |
|
| 2 | [adv] [subord] [to-vb] | 2561 |
|
| 3 | [adv] whether [verb] | 58 |
|
| 4 | [adv] whether [to-vb] | 55 |
|
