| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why it [verb] [adv] | 36 |
|
| 2 | why it [vb -s] [adv] | 22 |
|
| 3 | why it [verb] so | 16 |
|
| 4 | why it [vb past] [adv] | 14 |
|
| 5 | why it have [adv] | 10 |
|
| 6 | why it has [adv] | 5 |
|
| 7 | why it had [adv] | 5 |
|
| 8 | why it seem [adv] | 5 |
|
