| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [prep] | 9027 |
|
| 2 | it [was/were] possible | 763 |
|
| 3 | it possible [prep] | 299 |
|
| 4 | [was/were] possible [prep] | 242 |
|
