| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is not certain that | 7 |
|
| 2 | it is not [adv] certain that | 8 |
|
| 3 | it is not [adv] certain that | 8 |
|
| 4 | it is not certain that [pers pn] | 5 |
|
| 5 | it is not certain that [pron] | 5 |
|
