| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] involved [prep] | 228 |
|
| 2 | [vb past] [been] [prep] [noun pl] | 103 |
|
| 3 | [been] involved [prep] [noun pl] | 53 |
|
| 4 | [vb past] involved [prep] [noun pl] | 15 |
|
