| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] [pron] [verb] | 3173 |
|
| 2 | why [verb] [pron] [vb infin] | 2719 |
|
| 3 | [adv] [verb] [pron] use | 68 |
|
| 4 | [Wh adv] [verb] [pron] use | 39 |
|
| 5 | why [verb] [pron] use | 14 |
|
| 6 | why [verb] [pron] use | 13 |
|
