| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] clear that | 400 |
|
| 2 | it [be] become [adv] clear | 20 |
|
| 3 | it [be] become clear that | 18 |
|
| 4 | it become [adv] clear that | 17 |
|
| 5 | [be] become [adv] clear that | 14 |
|
