| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] [noun] [noun] | 239741 |
|
| 2 | concerned [prep] [noun] [noun] | 258 |
|
| 3 | [noun sg] concerned [prep] [noun] | 66 |
|
| 4 | [noun sg] concerned [noun] [noun] | 15 |
|
