| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] know for certain | 34 |
|
| 2 | [pers pn] [vb base] for certain | 22 |
|
| 3 | [pers pn] know for certain | 18 |
|
| 4 | [pers pn] [vb past] for certain | 16 |
|
| 5 | [pers pn] knew for certain | 15 |
|
| 6 | i [verb] for certain | 14 |
|
| 7 | we [verb] for certain | 9 |
|
| 8 | he [verb] for certain | 6 |
|
| 9 | she [verb] for certain | 5 |
|
