| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] [prep] [adj] [noun] | 5415 |
|
| 2 | be concerned [prep] [adj] [noun] | 293 |
|
| 3 | [be] concerned [prep] [adj] [noun] | 293 |
|
| 4 | [is] concerned [prep] [adj] [noun] | 69 |
|
| 5 | is concerned [prep] [adj] [noun] | 68 |
|
