| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adv] know for | 67 |
|
| 2 | perhaps [adv] [verb] for | 21 |
|
| 3 | perhaps [adv] know [prep] | 18 |
|
| 4 | perhaps [adv] know [prep] | 18 |
|
| 5 | perhaps [adv] know for | 10 |
|
