| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] it [verb] | 2655 |
|
| 2 | whether it [verb] | 538 |
|
| 3 | [vb infin] whether it | 360 |
|
| 4 | [vb infin] whether [verb] | 206 |
|
