| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [prep] [adj] [noun sg] | 768 |
|
| 2 | [verb] been concerned [prep] [adj] | 38 |
|
| 3 | been concerned [prep] [adj] [noun sg] | 18 |
|
| 4 | [verb] been concerned [prep] [noun sg] | 7 |
|
