| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [prep] [adj] | 2150 |
|
| 2 | [be] concerned [prep] [adj] | 408 |
|
| 3 | [verb] [be] concerned [prep] | 180 |
|
| 4 | [verb] concerned [prep] [adj] | 13 |
|
