| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which has been [art] [adj] | 37 |
|
| 2 | which [vb -s] been [art] [adj] | 34 |
|
| 3 | which [vb -s] been a [adj] | 20 |
|
| 4 | which [vb -s] been an [adj] | 9 |
|
| 5 | which [vb -s] been the [adj] | 8 |
|
