| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [conj] it [vb -s] | 586 |
|
| 2 | [verb] whether it [vb -s] | 105 |
|
| 3 | [vb infin] whether [pron] [vb -s] | 96 |
|
| 4 | [vb infin] whether it [verb] | 49 |
|
