| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be concerned [prep] [det] | 17 |
|
| 2 | have be concerned [prep] [det] | 16 |
|
| 3 | [verb] been concerned [prep] [det] | 16 |
|
| 4 | [verb] be concerned [prep] some | 8 |
|
| 5 | has be concerned [prep] [det] | 7 |
|
| 6 | [vb base] be concerned [prep] [det] | 7 |
|
| 7 | [verb] be concerned with [det] | 7 |
|
| 8 | [verb] be concerned [prep] this | 7 |
|
| 9 | [vb -s] be concerned [prep] [det] | 7 |
|
| 10 | [verb] be concerned for [det] | 6 |
|
| 11 | have be concerned [prep] [det] | 6 |
|
