| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] clear that | 344 |
|
| 2 | it is [adv] clear that | 279 |
|
| 3 | it is perfectly [adj] that | 24 |
|
| 4 | it be perfectly clear that | 14 |
|
| 5 | it [be] perfectly clear that | 14 |
|
| 6 | it [is] perfectly clear that | 10 |
|
| 7 | [pron] is perfectly clear that | 6 |
|
| 8 | it is perfectly clear [conj] | 5 |
|
| 9 | it is perfectly clear that | 5 |
|
