| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb -s] not [indef pn] [verb] | 14 |
|
| 2 | why [vb -s] n't [indef pn] [verb] | 14 |
|
| 3 | why [vb -s] not [indef pn] [vb infin] | 12 |
|
| 4 | why does not [indef pn] [verb] | 12 |
|
| 5 | why [vb -s] not someone [verb] | 6 |
|
