| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [pron] [adv] [vb infin] | 116 |
|
| 2 | [adv] do we [adv] [vb infin] | 38 |
|
| 3 | why do we [adv] [vb infin] | 30 |
|
| 4 | why [verb] we [adv] [vb infin] | 14 |
|
| 5 | why do we [adv] [verb] | 14 |
|
