| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] [adv] | 30569 |
|
| 2 | [was/were] [vb pp] when | 1350 |
|
| 3 | [vb pp] [adv] when | 912 |
|
| 4 | [was/were] [adv] when | 220 |
|
