| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [prep] the [noun sg] | 2007 |
|
| 2 | [verb] been concerned [prep] the | 60 |
|
| 3 | been concerned [prep] the [noun sg] | 45 |
|
| 4 | [verb] concerned [prep] the [noun sg] | 25 |
|
| 5 | [verb] been concerned [prep] [noun sg] | 7 |
|
