| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] concerned [adv] [prep] [art] [noun sg] | 8 |
|
| 2 | [be] concerned [adv] [prep] the [noun sg] | 8 |
|
| 3 | be concerned [adv] [prep] [art] [noun sg] | 8 |
|
| 4 | [be] concerned [adv] with [art] [noun sg] | 8 |
|
