| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] it [was/were] [verb] | 326 |
|
| 2 | whether it [was/were] [verb] | 67 |
|
| 3 | [prep] whether it [verb] | 62 |
|
| 4 | [prep] whether it [was/were] | 43 |
|
