| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [adv] [pron] go [adv] | 70 |
|
| 2 | why do [adv] [pron] [verb] back | 27 |
|
| 3 | why [verb] [adv] [pron] go back | 16 |
|
| 4 | why do [adv] [pron] go back | 16 |
|
| 5 | [adv] do [adv] [pron] go back | 16 |
|
| 6 | [Wh adv] do [adv] [pron] go back | 16 |
|
