| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [adj] [prep] some [noun] | 121 |
|
| 2 | [verb] been concerned [prep] [adj] [noun] | 32 |
|
| 3 | [verb] been concerned [prep] [det] [noun] | 15 |
|
| 4 | [verb] [been] concerned [prep] some [noun] | 8 |
|
| 5 | [verb] been concerned [prep] some [noun] | 8 |
|
| 6 | [verb] be concerned [prep] some [noun] | 8 |
|
| 7 | [verb] [be] concerned [prep] some [noun] | 8 |
|
| 8 | [verb] been concerned [prep] some [noun] | 8 |
|
