| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] be | 18904 |
|
| 2 | [prep] be of | 989 |
|
| 3 | [vb past] be of | 128 |
|
| 4 | [vb past] [prep] of | 14 |
|
