| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] concerned [prep] [adj] [noun] [prep] | 12 |
|
| 2 | [was/were] concerned [prep] [adj] [noun] [prep] | 7 |
|
| 3 | was concerned [prep] [adj] [noun] [prep] | 7 |
|
| 4 | [was/were] concerned [prep] [adj] [noun pl] [prep] | 6 |
|
| 5 | [was/were] concerned [prep] [adj] [noun sg] [prep] | 6 |
|
| 6 | were concerned [prep] [adj] [noun] [prep] | 5 |
|
| 7 | [was/were] concerned with [adj] [noun] [prep] | 5 |
|
