| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb base] we have [verb] | 13 |
|
| 2 | why [vb base] we have [verb] | 13 |
|
| 3 | why [vb base] we have [verb] | 12 |
|
| 4 | why [vb base] we have [to-vb] | 12 |
|
| 5 | why do we have [verb] | 12 |
|
