| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] be [prep] | 4611 |
|
| 2 | be involved [prep] | 3802 |
|
| 3 | [vb past] involved [prep] | 266 |
|
| 4 | [vb past] be involved | 233 |
|
