| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [verb] [pron] know | 971 |
|
| 2 | how [verb] we [verb] | 441 |
|
| 3 | how [verb] we [vb infin] | 426 |
|
| 4 | [adv] [verb] we know | 162 |
|
| 5 | how [verb] we know | 89 |
|
