| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [verb] been a [adj] | 15 |
|
| 2 | [prep] what [verb] been a [adj] | 15 |
|
| 3 | of what [verb] been a [adj] | 7 |
|
| 4 | in what [verb] been a [adj] | 7 |
|
| 5 | of what [verb] been a [adj] | 7 |
|
| 6 | in what [verb] been a [adj] | 7 |
|
| 7 | [verb] what [verb] been a [adj] | 6 |
|
| 8 | what [modal v] [verb] been a [adj] | 56 |
|
| 9 | what [vb mod] [verb] been a [adj] | 56 |
|
| 10 | what could [verb] been a [adj] | 18 |
|
| 11 | what could [verb] been a [adj] | 18 |
|
| 12 | what should [verb] been a [adj] | 15 |
|
| 13 | what should [verb] been a [adj] | 15 |
|
| 14 | what must [verb] been a [adj] | 14 |
|
| 15 | what must [verb] been a [adj] | 14 |
|
| 16 | what [verb] [verb] been a [adj] | 9 |
|
| 17 | what [vb -s] [verb] been a [adj] | 8 |
|
| 18 | what appear [verb] been a [adj] | 8 |
|
| 19 | what appears [verb] been a [adj] | 7 |
|
| 20 | what [verb] [adv] been a [adj] | 30 |
|
| 21 | what [verb] [adv] been a [adj] | 30 |
|
| 22 | what [verb] once been a [adj] | 12 |
|
| 23 | what [verb] once been a [adj] | 12 |
|
| 24 | what [verb] [verb] been a [adj] | 9 |
|
| 25 | what [verb] to have been a [adj] | 9 |
|
| 26 | what [verb] have been a [adj] | 9 |
|
| 27 | what [verb] [to-vb] been a [adj] | 9 |
|
| 28 | what [verb] been a [adv] [adj] | 16 |
|
| 29 | what [verb] been a [adv] [adj] | 16 |
|
| 30 | what [verb] been a very [adj] | 8 |
|
