| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [pron] | 5206 |
|
| 2 | it [was/were] possible | 763 |
|
| 3 | it possible [pron] | 18 |
|
| 4 | [was/were] possible [pron] | 12 |
|
