| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] for certain | 53 |
|
| 2 | [pron] know for certain | 45 |
|
| 3 | [pron] knows for [adj] | 16 |
|
| 4 | [pron] knows for [adj] | 16 |
|
| 5 | [pron] [vb -s] for certain | 7 |
|
| 6 | [pron] knows for certain | 5 |
|
| 7 | [pron] knows [prep] certain | 5 |
|
| 8 | [pron] knows for certain | 5 |
|
| 9 | [pron] knows [prep] certain | 5 |
|
