| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been concerned [prep] [det] [noun sg] | 12 |
|
| 2 | have been concerned [prep] [det] [noun sg] | 12 |
|
| 3 | has been concerned [prep] [det] [noun sg] | 6 |
|
| 4 | [vb -s] been concerned [prep] [det] [noun sg] | 6 |
|
| 5 | [verb] been concerned [prep] some [noun sg] | 6 |
|
| 6 | [verb] been concerned [prep] this [noun sg] | 6 |
|
| 7 | [vb base] been concerned [prep] [det] [noun sg] | 5 |
|
| 8 | [verb] been concerned for [det] [noun sg] | 5 |
|
| 9 | [verb] been concerned [prep] [det] time | 5 |
|
| 10 | [verb] been concerned with [det] [noun sg] | 5 |
|
