| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [adv] [vb pp] that | 838 |
|
| 2 | while it [was/were] [adv] [vb pp] | 15 |
|
| 3 | while it [was/were] [vb pp] that | 6 |
|
