| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] [pron] [vb infin] [det] | 312 |
|
| 2 | [adv] [vb -s] [pron] [vb infin] [det] | 66 |
|
| 3 | why [vb -s] [pron] [vb infin] [adj] | 25 |
|
| 4 | why [vb -s] [pron] [verb] [det] | 20 |
|
