| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [be] [prep] [verb] | 363 |
|
| 2 | [conj] [pron] [was/were] [prep] [verb] | 130 |
|
| 3 | [conj] it [was/were] [prep] [verb] | 65 |
|
