| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what was [pers pn] [vb pp] [prep] | 8 |
|
| 2 | what were [pers pn] [vb pp] [prep] | 5 |
|
| 3 | what [was/were] it [vb pp] [prep] | 5 |
|
