| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [verb] to [be] concerned | 7 |
|
| 2 | [pers pn] [verb] [prep] be concerned | 7 |
|
| 3 | [pers pn] [verb] [prep] be concerned | 7 |
|
| 4 | [pers pn] [verb] [prep] [be] concerned | 7 |
|
