| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [adv] [pron] [verb] | 1970 |
|
| 2 | why do [adv] [pron] [vb infin] | 1965 |
|
| 3 | [adv] do [adv] [pron] come | 127 |
|
| 4 | why do [adv] [pron] come | 126 |
|
| 5 | why [verb] [adv] [pron] come | 125 |
|
