| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] be | 10899 |
|
| 2 | [prep] [Wh det] [was/were] | 3899 |
|
| 3 | [Wh det] [was/were] be | 288 |
|
| 4 | [prep] [was/were] be | 5 |
|
