| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] it [verb] [prep] | 38 |
|
| 2 | why [verb] it [verb] [prep] | 38 |
|
| 3 | why [verb] it [vb infin] [prep] | 34 |
|
| 4 | why do it [verb] [prep] | 34 |
|
| 5 | why [verb] it [verb] to | 27 |
|
| 6 | why [verb] it [verb] to | 27 |
|
| 7 | why [vb past] it [verb] [prep] | 23 |
|
| 8 | why did it [verb] [prep] | 22 |
|
| 9 | why [verb] it have [prep] | 20 |
|
| 10 | why [verb] it have [prep] | 19 |
|
| 11 | why [vb -s] it [verb] [prep] | 14 |
|
| 12 | why does it [verb] [prep] | 12 |
|
