| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [prep] [art] [noun sg] | 2547 |
|
| 2 | [verb] [been] concerned [prep] [art] | 63 |
|
| 3 | [been] concerned [prep] [art] [noun sg] | 47 |
|
| 4 | [verb] concerned [prep] [art] [noun sg] | 27 |
|
| 5 | [verb] [been] concerned [prep] [noun sg] | 7 |
|
