| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] whether it was [verb] | 10 |
|
| 2 | [prep] whether it was [verb] | 10 |
|
| 3 | [prep] whether it was [vb pp] | 8 |
|
| 4 | of whether it was [verb] | 5 |
|
