| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] how we [modal v] [verb] | 120 |
|
| 2 | how far we [modal v] [verb] | 14 |
|
| 3 | [verb] how far we [verb] | 9 |
|
| 4 | [verb] how far we [modal v] | 6 |
|
