| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] [pron] [verb] [adv] | 305 |
|
| 2 | why do [not/n't] [pron] [verb] [adv prt] | 198 |
|
| 3 | why do [adv] [pron] [verb] back | 27 |
|
| 4 | [Wh adv] do [not/n't] [pron] [verb] back | 27 |
|
| 5 | [adv] do [not/n't] [pron] [verb] back | 27 |
|
| 6 | why do [not/n't] [pron] [verb] back | 27 |
|
| 7 | why [verb] [not/n't] [pron] [verb] back | 27 |
|
| 8 | why do [not/n't] [pron] [verb] back | 27 |
|
