| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be concerned [prep] some [noun sg] | 9 |
|
| 2 | [been] concerned [prep] some [noun sg] | 6 |
|
| 3 | been concerned [prep] some [noun sg] | 6 |
|
| 4 | [be] concerned [prep] some time | 5 |
|
| 5 | [be] concerned for some [noun sg] | 5 |
|
