| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [prep] [art] [noun sg] | 3005 |
|
| 2 | [be] concerned [prep] [art] [noun sg] | 728 |
|
| 3 | [verb] [be] concerned [prep] [art] | 75 |
|
| 4 | [verb] concerned [prep] [art] [noun sg] | 27 |
|
| 5 | [verb] [be] concerned [prep] [noun sg] | 10 |
|
