| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been concerned with the [noun sg] | 24 |
|
| 2 | have been concerned with the [noun sg] | 24 |
|
| 3 | [vb -s] been concerned with the [noun sg] | 11 |
|
| 4 | has been concerned with the [noun sg] | 11 |
|
| 5 | have been concerned with the [noun sg] | 7 |
|
| 6 | [vb base] been concerned with the [noun sg] | 7 |
|
