| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [verb] [be] | 50509 |
|
| 2 | [noun sg] [be] concerned | 2216 |
|
| 3 | [verb] [be] concerned | 283 |
|
| 4 | [noun sg] [verb] concerned | 46 |
|
