| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [vb pp] | 19265 |
|
| 2 | it [was/were] [adj] | 17708 |
|
| 3 | [was/were] [vb pp] [adj] | 4966 |
|
| 4 | it [vb pp] [adj] | 48 |
|
