| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [is] it [prep] | 73 |
|
| 2 | [Wh adv] [is] it [prep] | 37 |
|
| 3 | why [is] [pron] [prep] | 17 |
|
| 4 | why [be] it [prep] | 12 |
|
| 5 | why [is] it [prep] | 10 |
|
| 6 | why [is] it [prep] | 10 |
|
