| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be concerned [prep] some | 16 |
|
| 2 | be concerned [prep] some | 16 |
|
| 3 | been concerned [prep] some | 8 |
|
| 4 | be concerned for some | 6 |
|
| 5 | be concerned for some | 6 |
|
