| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how far it [verb] | 32 |
|
| 2 | how far it [verb] | 32 |
|
| 3 | how far it [vb -s] | 22 |
|
| 4 | how far it [vb past] | 10 |
|
| 5 | how far it have | 10 |
|
| 6 | how far it has | 7 |
|
