| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what is it [prep] | 134 |
|
| 2 | what [be] it for | 59 |
|
| 3 | what be it for | 59 |
|
| 4 | what [is] it for | 53 |
|
| 5 | what is [pron] for | 25 |
|
| 6 | [pron] is it for | 25 |
|
