| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb -s] [not/n't] [pron] [vb infin] | 98 |
|
| 2 | [vb -s] [not/n't] [pron] [vb infin] [pron] | 85 |
|
| 3 | why [vb -s] [pron] [vb infin] [pron] | 44 |
|
