| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [vb past] it | 7210 |
|
| 2 | [conj] whether it | 511 |
|
| 3 | [conj] [vb past] whether | 97 |
|
| 4 | [vb past] whether it | 77 |
|
