| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [vb pp] | 19260 |
|
| 2 | it [was/were] [noun] | 6932 |
|
| 3 | [was/were] [vb pp] [noun] | 4324 |
|
| 4 | it [vb pp] [noun] | 60 |
|
