| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] concerned [prep] [adj] [noun] | 293 |
|
| 2 | have [be] [prep] [adj] [noun] | 183 |
|
| 3 | have [be] concerned [prep] [adj] | 16 |
|
| 4 | have [be] concerned [prep] [noun] | 6 |
|
