| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] [adv] [pers pn] [vb infin] | 1946 |
|
| 2 | why do [adv] [pers pn] [vb infin] | 1946 |
|
| 3 | [adv] did [adv] [pers pn] [vb infin] | 620 |
|
| 4 | why did [adv] [pron] [vb infin] | 606 |
|
| 5 | why did [adv] [pers pn] [verb] | 601 |
|
| 6 | [Wh adv] did [adv] [pers pn] [vb infin] | 600 |
|
| 7 | why did [adv] [pers pn] [vb infin] | 599 |
|
| 8 | why [vb past] [adv] [pers pn] [vb infin] | 599 |
|
