| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] concerned with | 322 |
|
| 2 | concerned with [det] | 132 |
|
| 3 | [was/were] with [det] | 86 |
|
| 4 | [was/were] concerned [det] | 11 |
|
