| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] [be] | 18905 |
|
| 2 | be [prep] [be] | 15773 |
|
| 3 | [vb past] be [prep] | 4611 |
|
| 4 | [vb past] be [be] | 71 |
|
