| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] it is | 250 |
|
| 2 | [prep] why it be | 33 |
|
| 3 | [prep] why it [be] | 33 |
|
| 4 | [prep] why [pron] is | 30 |
|
| 5 | [prep] why it [is] | 25 |
|
| 6 | [prep] why [pers pn] is | 24 |
|
| 7 | [prep] why it is | 21 |
|
| 8 | [prep] why it is | 21 |
|
