| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] [pron] [verb] | 1970 |
|
| 2 | do [not/n't] [pron] [verb] [prep] | 472 |
|
| 3 | why do [pron] [verb] [prep] | 258 |
|
| 4 | why do [not/n't] [pron] [prep] | 5 |
|
