| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [vb pp] | 50542 |
|
| 2 | it [was/were] [adv] | 36643 |
|
| 3 | it [was/were] [vb pp] | 19260 |
|
| 4 | it [adv] [vb pp] | 406 |
|
