| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and had been involved [prep] | 11 |
|
| 2 | and had been involved [prep] | 11 |
|
| 3 | and had been involved [prep] | 11 |
|
| 4 | and had been involved in | 10 |
|
| 5 | and had been involved in | 10 |
|
