| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb -s] not [pers pn] [vb infin] [prep] | 11 |
|
| 2 | why does not [pers pn] [vb infin] [prep] | 11 |
|
| 3 | why [vb -s] n't [pers pn] [vb infin] [prep] | 10 |
|
| 4 | why [vb -s] not [pers pn] [vb infin] to | 6 |
|
| 5 | why [vb -s] not [pers pn] [vb infin] to | 6 |
|
| 6 | why [vb -s] not he [vb infin] [prep] | 6 |
|
