| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] to be concerned about | 6 |
|
| 2 | [be] [verb] to be concerned about | 6 |
|
| 3 | [verb] to be [adv] concerned about | 9 |
|
| 4 | [verb] to be [adv] concerned about | 9 |
|
| 5 | [verb] to be concerned about the | 7 |
|
| 6 | [verb] to be concerned about the | 7 |
|
| 7 | [verb] to be concerned about [art] | 7 |
|
| 8 | [verb] to be concerned about [art] | 7 |
|
