| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] has been [vb pp] a [adj] | 5 |
|
| 2 | [Wh pn] has been [verb] a [adj] | 5 |
|
| 3 | [Wh pn] has been a [adj] [noun] | 13 |
|
| 4 | [Wh pn] has been a [adj] [noun sg] | 13 |
|
