| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] involved [prep] this [noun sg] | 8 |
|
| 2 | [was/were] involved in this [noun sg] | 7 |
|
| 3 | [was/were] involved in this [noun sg] | 7 |
|
| 4 | was involved [prep] this [noun sg] | 5 |
|
