| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] not [det] [vb infin] | 225 |
|
| 2 | why [verb] [det] [vb infin] | 40 |
|
| 3 | why [verb] not [det] | 28 |
|
| 4 | why [verb] not [vb infin] | 19 |
|
