| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [prep] what [modal v] | 271 |
|
| 2 | [noun] [prep] what used | 49 |
|
| 3 | [noun pl] [prep] [pron] used | 22 |
|
| 4 | [noun pl] [prep] [Wh det] used | 21 |
|
| 5 | [noun pl] [prep] what used | 21 |
|
| 6 | [noun pl] [prep] what used | 21 |
|
