| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it [be] not certain [subord] | 6 |
|
| 2 | [coord] it [be] [not/n't] certain [subord] | 6 |
|
| 3 | [coord] it [be] not certain [subord] | 6 |
|
| 4 | [coord] it [be] [adv] certain [subord] | 6 |
|
| 5 | [coord] it be [adv] certain [subord] | 6 |
|
| 6 | [coord] it [is] [adv] certain [subord] | 5 |
|
| 7 | [coord] it [be] [adv] certain whether | 5 |
|
