| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [pers pn] [vb infin] [adj] | 377 |
|
| 2 | why do [pers pn] [not/n't] [vb infin] | 124 |
|
| 3 | do [pers pn] [not/n't] [vb infin] [adj] | 54 |
|
