| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] concern over the [noun] | 12 |
|
| 2 | [prep] [adj] concern over the [noun] | 12 |
|
| 3 | [prep] concern over the [noun] [prep] | 6 |
|
| 4 | [prep] concern over the [noun] [prep] | 6 |
|
| 5 | [prep] concern over the [noun] of | 5 |
|
| 6 | [prep] concern over the [noun] of | 5 |
|
