| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] did [pron] [verb] | 24 |
|
| 2 | [vb past] why [verb] [pron] [verb] | 14 |
|
| 3 | [verb] why did [pron] [verb] | 13 |
|
| 4 | [vb past] why do [pron] [verb] | 12 |
|
| 5 | [vb past] why [vb past] [pron] [verb] | 6 |
|
