| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] have been [adj] | 43 |
|
| 2 | a [noun] have been [adj] | 41 |
|
| 3 | a [noun] has been [adj] | 23 |
|
| 4 | a [noun] had been [adj] | 13 |
|
