| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] whether it [vb mod] | 21 |
|
| 2 | [vb past] whether it would | 12 |
|
| 3 | [vb past] whether it could | 7 |
|
| 4 | wondered whether it [vb mod] | 5 |
|
