| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [conj] it [was/were] | 2149 |
|
| 2 | [verb] whether it [was/were] | 225 |
|
| 3 | [vb past] whether [pron] [was/were] | 94 |
|
| 4 | [vb past] whether it [be] | 43 |
|
