| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] has been [to-vb] a [adj] | 14 |
|
| 2 | [noun sg] has [been] [to-vb] a [adj] | 12 |
|
| 3 | [noun] has [been] [to-vb] a [adj] | 12 |
|
