| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] | 477791 |
|
| 2 | used be [vb pp] | 59 |
|
| 3 | used [vb pp] [prep] | 12 |
|
| 4 | used be [prep] | 8 |
|
