| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [prep] [adj] [noun] | 6346 |
|
| 2 | concerned [prep] [adj] [noun] | 765 |
|
| 3 | [is] concerned [prep] [noun] | 166 |
|
| 4 | [is] concerned [prep] [adj] | 106 |
|
| 5 | [is] concerned [adj] [noun] | 11 |
|
