| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] be involved | 233 |
|
| 2 | [vb past] [been] involved | 228 |
|
| 3 | [vb past] been involved | 228 |
|
| 4 | had [be] involved | 215 |
|
| 5 | 'd [be] involved | 14 |
|
