| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [vb past] been a [adj] | 23 |
|
| 2 | [det] had [been] a [adj] | 23 |
|
| 3 | that [vb past] [been] a [adj] | 12 |
|
| 4 | this [vb past] [been] a [adj] | 10 |
|
