| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] why do we [vb infin] | 16 |
|
| 2 | [adv] why do we [verb] | 14 |
|
| 3 | [adv] why do we [verb] | 13 |
|
| 4 | so why do we [verb] | 9 |
|
| 5 | so why do we [verb] | 9 |
|
