| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] is [adv] concerned | 44 |
|
| 2 | is [adv] concerned that | 27 |
|
| 3 | [noun prp] is concerned that | 13 |
|
| 4 | [noun prp] is [adv] that | 10 |
|
