| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it has | 1005 |
|
| 2 | why it [verb] | 372 |
|
| 3 | [Wh adv] it has | 212 |
|
| 4 | why it [vb -s] | 212 |
|
| 5 | why [pron] has | 144 |
|
| 6 | why it have | 131 |
|
| 7 | why it has | 60 |
|
