| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] clear that this [noun sg] | 10 |
|
| 2 | it [verb] clear that this [noun] | 10 |
|
| 3 | it become clear that this [noun] | 9 |
|
| 4 | it [vb past] clear that this [noun] | 7 |
|
| 5 | it became clear that this [noun] | 7 |
|
