| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | am concerned [prep] | 70 |
|
| 2 | am concerned about | 34 |
|
| 3 | am concerned about | 34 |
|
| 4 | am concerned with | 21 |
|
| 5 | am concerned with | 21 |
|
| 6 | am concerned for | 7 |
|
| 7 | am concerned for | 7 |
|
