| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] a [adj] | 1272 |
|
| 2 | [ex0] [vb past] [been] a | 714 |
|
| 3 | [ex0] [vb past] [been] [adj] | 218 |
|
| 4 | [ex0] [vb past] a [adj] | 123 |
|
| 5 | [ex0] [been] a [adj] | 13 |
|
