| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [to-vb] [prep] | 16482 |
|
| 2 | [vb past] [be] [prep] | 4611 |
|
| 3 | [vb past] [to-vb] [be] | 1094 |
|
| 4 | [to-vb] [be] [prep] | 541 |
|
