| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb past] whether it [verb] | 5 |
|
| 2 | [adv] [vb past] whether it [verb] | 5 |
|
| 3 | [vb past] whether it [modal v] [verb] | 7 |
|
| 4 | [vb past] whether it [vb mod] [verb] | 7 |
|
