| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] be [prep] | 2698 |
|
| 2 | [Wh det] [verb] be [prep] | 288 |
|
| 3 | [Wh det] [vb past] be [prep] | 137 |
|
| 4 | [Wh det] [vb past] [be] [prep] | 137 |
|
