| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was [adj] | 23603 |
|
| 2 | it [be] possible | 4595 |
|
| 3 | it be possible | 4595 |
|
| 4 | it [was/were] possible | 763 |
|
| 5 | [pron] was possible | 726 |
|
