| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] certain that it was | 8 |
|
| 2 | be certain that it was | 8 |
|
| 3 | [adv] certain that it was | 7 |
|
| 4 | [adv] certain that it was | 6 |
|
| 5 | certain that it was [adv] | 8 |
|
| 6 | certain that it was [art] | 5 |
|
| 7 | certain that it was [not/n't] | 5 |
|
| 8 | certain that it was [art] | 5 |
|
| 9 | certain that it was not | 5 |
|
