| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] that | 1938 |
|
| 2 | it be clear that | 1795 |
|
| 3 | it be [adv] clear | 1205 |
|
| 4 | be [adv] clear that | 532 |
|
| 5 | it [adv] clear that | 200 |
|
