| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] [adv] [to-vb] | 1707 |
|
| 2 | [vb mod] [verb] whether [to-vb] | 76 |
|
| 3 | [vb mod] [verb] [adv] whether | 57 |
|
| 4 | [verb] [adv] whether [to-vb] | 36 |
|
