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