| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] not [adj] that | 780 |
|
| 2 | it [be] [adv] clear that | 476 |
|
| 3 | it [be] not clear [conj] | 253 |
|
| 4 | [pron] [be] not clear that | 77 |
|
| 5 | [pers pn] [be] not clear that | 77 |
|
| 6 | it [be] not clear that | 76 |
|
| 7 | it [be] not clear that | 76 |
|
| 8 | it [be] not clear [that] | 76 |
|
| 9 | it [be] not clear that | 76 |
|
| 10 | it [be] [not/n't] clear that | 76 |
|
