| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [vb past] a [adj] | 6222 |
|
| 2 | [vb past] [been] a [adj] | 1272 |
|
| 3 | [noun prp] [vb past] [been] [adj] | 860 |
|
| 4 | [noun prp] [vb past] [been] a | 276 |
|
