| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [adj] [to-vb] a [adj] | 21 |
|
| 2 | has [been] able [to-vb] a [adj] | 7 |
|
| 3 | has [been] unable [to-vb] a [adj] | 5 |
|
