| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [prep] | 477793 |
|
| 2 | [vb past] [vb pp] [prep] | 36782 |
|
| 3 | [vb past] [be] [vb pp] | 33725 |
|
| 4 | [vb past] [be] [prep] | 4611 |
|
