| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] clear that a | 11 |
|
| 2 | it became clear that a | 11 |
|
| 3 | it [vb past] clear that a | 11 |
|
| 4 | it [vb past] clear that a | 8 |
|
