| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [adv] far [pers pn] [verb] | 7 |
|
| 2 | know how far [pron] [verb] | 7 |
|
| 3 | know [Wh adv] far [pron] [verb] | 7 |
|
| 4 | know how far [pron] [verb] | 7 |
|
| 5 | know [adv] far [pron] have | 6 |
|
