| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | concern [prep] the [noun sg] in | 31 |
|
| 2 | concern [prep] the [noun sg] in | 28 |
|
| 3 | concern about the [noun sg] in | 7 |
|
| 4 | concern over the [noun sg] in | 7 |
|
| 5 | concern of the [noun sg] in | 5 |
|
