| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] a [adj] | 1272 |
|
| 2 | which [vb past] a [adj] | 931 |
|
| 3 | which [vb past] [been] [adj] | 149 |
|
| 4 | which [vb past] [been] a | 42 |
|
