| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] a [adj] | 27749 |
|
| 2 | been a [adj] | 5181 |
|
| 3 | been [to-vb] a | 85 |
|
| 4 | been [to-vb] [adj] | 78 |
|
