| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [prep] [Wh det] [modal v] | 66 |
|
| 2 | [was/were] [verb] [prep] [pron] [modal v] | 45 |
|
| 3 | [was/were] [verb] [prep] [Wh det] [modal v] | 26 |
|
