| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] be [vb pp] | 3068 |
|
| 2 | [conj] [Wh det] be [vb pp] | 752 |
|
| 3 | [conj] [prep] be [vb pp] | 687 |
|
| 4 | [conj] [prep] [Wh det] be | 277 |
|
