| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adj] concern | 28 |
|
| 2 | [vb -s] been [adj] concern | 25 |
|
| 3 | has been [adj] concern | 23 |
|
| 4 | [verb] been [adj] concern | 19 |
|
| 5 | [verb] been [det] concern | 9 |
|
| 6 | [verb] been some concern | 8 |
|
| 7 | [verb] been some concern | 8 |
|
| 8 | [verb] been growing concern | 6 |
|
| 9 | [verb] been growing concern | 6 |
|
