| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when it [was/were] [verb] [noun] | 9 |
|
| 2 | when it was [verb] [noun] | 9 |
|
| 3 | when it [was/were] [verb] [noun] | 9 |
|
| 4 | when it [was/were] [verb] [noun sg] | 6 |
|
| 5 | when it [was/were] [vb pp] [noun] | 6 |
|
