| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did you [vb infin] | 599 |
|
| 2 | why did you [verb] | 599 |
|
| 3 | why did [pron] choose | 22 |
|
| 4 | why did [pers pn] choose | 22 |
|
| 5 | why [verb] you choose | 11 |
|
| 6 | why do you choose | 11 |
|
| 7 | why [vb past] you choose | 8 |
|
| 8 | why did you choose | 8 |
|
| 9 | why did you choose | 8 |
|
| 10 | [Wh adv] did you choose | 8 |
|
| 11 | why did you choose | 8 |
|
| 12 | [adv] did you choose | 8 |
|
