| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] when it [verb] | 121 |
|
| 2 | [was/were] [vb pp] it [verb] | 47 |
|
| 3 | [was/were] [vb pp] when [verb] | 41 |
|
| 4 | [was/were] [vb pp] when it | 40 |
|
