| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb past] it | 4207 |
|
| 2 | [adv] [vb past] whether | 99 |
|
| 3 | [adv] whether it | 90 |
|
| 4 | [vb past] whether it | 77 |
|
