| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [been] involved | 36 |
|
| 2 | [to-vb] be involved | 36 |
|
| 3 | [to-vb] been involved | 36 |
|
| 4 | to have [be] involved | 36 |
|
