| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adj] [prep] [adj] [noun sg] | 9569 |
|
| 2 | [be] concerned [prep] [adj] [noun] | 293 |
|
| 3 | [be] concerned [prep] [adj] [noun sg] | 123 |
|
