| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [pron] [verb] | 1310 |
|
| 2 | why do [pron] [vb infin] | 1299 |
|
| 3 | [adv] do [pron] use | 39 |
|
| 4 | [Wh adv] do [pron] use | 28 |
|
| 5 | why [verb] [pron] use | 13 |
|
| 6 | why do [pron] use | 13 |
|
| 7 | why do [pron] use | 8 |
|
| 8 | why do [pron] use | 8 |
|
| 9 | why [vb base] [pron] use | 8 |
|
