| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] clear that | 279 |
|
| 2 | it [adv] become clear that | 82 |
|
| 3 | it is become clear that | 9 |
|
| 4 | it is [adv] become clear | 8 |
|
| 5 | is [adv] become clear that | 6 |
|
