| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb base] [not/n't] [pers pn] [vb infin] | 1257 |
|
| 2 | [vb base] [not/n't] [pers pn] [vb infin] [prep] | 287 |
|
| 3 | why [vb base] [pers pn] [vb infin] [prep] | 107 |
|
