| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how far [verb] they [vb infin] | 5 |
|
| 2 | how far [vb base] they [vb infin] | 5 |
|
| 3 | how far do they [vb infin] | 5 |
|
| 4 | how far do they [vb infin] | 5 |
|
| 5 | how far [verb] they [vb infin] | 5 |
|
