| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [noun sg] [vb -s] [be] concerned [prep] | 8 |
|
| 2 | this [noun sg] [vb -s] [be] concerned with | 8 |
|
| 3 | this [noun sg] [vb -s] [be] concerned [prep] | 8 |
|
| 4 | this [noun sg] [vb -s] [be] concerned with | 8 |
|
