| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] [noun prp] [vb infin] [det] | 11 |
|
| 2 | why do [noun prp] [vb infin] [det] | 11 |
|
| 3 | why [vb past] [noun prp] [vb infin] [det] | 6 |
|
| 4 | why did [noun prp] [vb infin] [det] | 6 |
|
| 5 | why [verb] [noun prp] [vb infin] this | 5 |
|
