| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] a | 97579 |
|
| 2 | [vb past] [vb pp] [prep] | 36782 |
|
| 3 | [vb past] [prep] a | 28724 |
|
| 4 | [vb past] [vb pp] a | 9984 |
|
