| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [pron] come [adv] | 39 |
|
| 2 | why [verb] [pron] come back | 18 |
|
| 3 | why do [pron] [verb] back | 18 |
|
| 4 | [adv] do [pron] come back | 16 |
|
