| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [adj] [prep] [det] [noun sg] | 295 |
|
| 2 | [verb] [be] concerned [prep] [det] [noun] | 16 |
|
| 3 | [verb] [be] concerned [prep] [adj] [noun sg] | 16 |
|
| 4 | [verb] [be] concerned [prep] [det] [noun sg] | 13 |
|
