| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] be [adj] [prep] [det] | 152 |
|
| 2 | [vb base] be concerned [prep] [adj] | 19 |
|
| 3 | [verb] be concerned [prep] [det] | 17 |
|
| 4 | [vb base] [be] concerned [prep] [det] | 7 |
|
