| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be concerned for some [noun] | 6 |
|
| 2 | be concerned for some [noun] | 6 |
|
| 3 | been concerned for some [noun] | 6 |
|
| 4 | be concerned for some time | 5 |
|
| 5 | be concerned for some [noun sg] | 5 |
|
| 6 | be concerned for some time | 5 |
|
