| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] know for | 9 |
|
| 2 | [vb mod] [adv] know for | 9 |
|
| 3 | [modal v] never know for | 6 |
|
| 4 | will [adv] know for | 5 |
|
