| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb past] [pron] [vb infin] [adv] | 80 |
|
| 2 | [adv] [vb past] i [vb infin] [adv] | 23 |
|
| 3 | why [verb] i [vb infin] [adv] | 12 |
|
| 4 | why [vb past] i [vb infin] [adv] | 11 |
|
| 5 | why [vb past] i [verb] [adv] | 6 |
|
