| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adj] for several [noun] | 21 |
|
| 2 | [verb] been [adj] for several [noun] | 21 |
|
| 3 | [vb past] been [adj] for several [noun] | 9 |
|
| 4 | has been [adj] for several [noun] | 8 |
|
| 5 | [vb -s] been [adj] for several [noun] | 8 |
|
| 6 | had been [adj] for several [noun] | 8 |
|
