| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [was/were] [verb] [prep] | 3211 |
|
| 2 | [pron] [was/were] [verb] behind | 85 |
|
| 3 | [Wh pn] [be] [verb] behind | 22 |
|
