| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] be [prep] | 348 |
|
| 2 | it [vb past] [be] [prep] | 348 |
|
| 3 | [pron] [vb past] was [prep] | 204 |
|
| 4 | it [vb past] [was/were] [prep] | 14 |
|
| 5 | it [verb] was [prep] | 10 |
|
