| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [adj] [prep] [art] [noun sg] | 463 |
|
| 2 | [verb] been concerned [prep] [art] [noun sg] | 33 |
|
| 3 | have been concerned [prep] [art] [noun sg] | 33 |
|
| 4 | had been concerned [prep] [art] [noun] | 7 |
|
| 5 | had been concerned [prep] [art] [noun sg] | 6 |
|
| 6 | had [been] concerned [prep] [art] [noun sg] | 6 |
|
| 7 | had be concerned [prep] [art] [noun sg] | 6 |
|
| 8 | had [be] concerned [prep] [art] [noun sg] | 6 |
|
| 9 | [vb past] been concerned [prep] [art] [noun sg] | 6 |
|
