| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb -s] [adv] [pers pn] [verb] [adv] | 14 |
|
| 2 | why [vb -s] [adv] [pers pn] [vb infin] [adv] | 13 |
|
| 3 | why [vb -s] [adv] [pers pn] [adv] [verb] | 7 |
|
| 4 | why [vb -s] [adv] [pers pn] [adv] [vb infin] | 7 |
|
