| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] [adv] know for | 9 |
|
| 2 | [pers pn] [modal v] [adv] know for | 7 |
|
| 3 | [modal v] [adv] know for [adj] | 9 |
|
| 4 | [modal v] [adv] know for [adj] | 9 |
|
| 5 | [modal v] [adv] know for certain | 5 |
|
| 6 | [modal v] [adv] know for certain | 5 |
|
