| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did i [verb] | 84 |
|
| 2 | why did i [vb infin] | 84 |
|
| 3 | why did [pron] think | 19 |
|
| 4 | why [verb] i think | 8 |
|
| 5 | [adv] did i think | 8 |
|
| 6 | why do i think | 8 |
|
| 7 | why [vb past] i think | 5 |
|
| 8 | why did i think | 5 |
|
