| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] say for certain | 10 |
|
| 2 | [not/n't] say for certain | 8 |
|
| 3 | not say for certain | 8 |
|
| 4 | n't say for certain | 5 |
|
| 5 | say for certain [conj] | 6 |
|
