| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [pron] [verb] | 29038 |
|
| 2 | whether [pron] [verb] | 4171 |
|
| 3 | [vb infin] whether [pron] | 1487 |
|
| 4 | [vb infin] whether [verb] | 206 |
|
