| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] an [adj] | 3950 |
|
| 2 | been [vb pp] [adj] | 3441 |
|
| 3 | been an [adj] | 947 |
|
| 4 | been [vb pp] an | 187 |
|
