| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it [be] not [adj] [conj] | 146 |
|
| 2 | [coord] it [be] [adv] certain [conj] | 23 |
|
| 3 | [conj] it [be] not certain [conj] | 14 |
|
| 4 | [coord] [pron] [be] not certain [conj] | 14 |
|
| 5 | [coord] [pers pn] [be] not certain [conj] | 14 |
|
| 6 | [coord] it [be] not certain [conj] | 10 |
|
| 7 | [coord] it [be] not certain [conj] | 10 |
|
| 8 | [coord] it [be] [not/n't] certain [conj] | 10 |
|
