| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i know for a fact | 31 |
|
| 2 | i [verb] for a fact | 31 |
|
| 3 | i [verb] for a fact | 31 |
|
| 4 | i [verb] for a fact | 31 |
|
| 5 | i [vb base] for a fact | 28 |
|
| 6 | i know for a fact | 28 |
|
