| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] a [adj] | 9603 |
|
| 2 | [vb past] been a [adj] | 1272 |
|
| 3 | been [prep] a [adj] | 298 |
|
| 4 | [vb past] been [prep] a | 288 |
|
| 5 | [vb past] been [prep] [adj] | 208 |
|
