| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] [adv] [vb infin] | 46982 |
|
| 2 | whether [pron] [modal v] [vb infin] | 1399 |
|
| 3 | whether [pron] [modal v] [adv] | 180 |
|
