| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [verb] been a [adj] | 30 |
|
| 2 | what have been a [adj] | 30 |
|
| 3 | what [verb] been a [adj] | 30 |
|
| 4 | what [vb past] been a [adj] | 18 |
|
| 5 | what had been a [adj] | 18 |
|
| 6 | what has been a [adj] | 12 |
|
| 7 | what [vb -s] been a [adj] | 12 |
|
