| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what is it [prep] [to-vb] | 5 |
|
| 2 | what is it [prep] [to-vb] | 5 |
|
| 3 | [pron] is it [prep] [to-vb] | 5 |
|
| 4 | [Wh det] is it [prep] [to-vb] | 5 |
|
| 5 | is it [prep] [pron] [to-vb] | 7 |
|
| 6 | is it [prep] [pers pn] [to-vb] | 6 |
|
