| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] be concerned | 28 |
|
| 2 | [vb pp] to [be] concerned | 27 |
|
| 3 | [vb pp] [prep] be concerned | 26 |
|
| 4 | [vb pp] [prep] [be] concerned | 26 |
|
| 5 | said [prep] [be] concerned | 9 |
|
