| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [vb pp] [prep] | 58900 |
|
| 2 | [vb pp] be [prep] | 715 |
|
| 3 | [been] [vb pp] be | 403 |
|
| 4 | [been] be [prep] | 6 |
|
