| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb base] [noun pl] [vb infin] [det] | 7 |
|
| 2 | why [verb] [noun pl] [vb infin] [det] | 7 |
|
| 3 | why do [noun pl] [vb infin] [det] | 7 |
|
| 4 | why do [noun pl] [vb infin] [det] | 7 |
|
