| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [adv] did | 313 |
|
| 2 | [noun] why did | 31 |
|
| 3 | [noun prp] why [verb] | 25 |
|
| 4 | [noun prp] why do | 24 |
|
| 5 | [noun prp] [Wh adv] did | 18 |
|
| 6 | [noun prp] why [vb past] | 7 |
|
| 7 | [noun prp] why did | 7 |
|
