| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [modal v] have been | 368 |
|
| 2 | what [vb mod] [verb] been | 368 |
|
| 3 | what [modal v] [vb infin] been | 362 |
|
| 4 | what [modal v] have been | 360 |
|
| 5 | what might [verb] been | 109 |
|
| 6 | what might [verb] been | 109 |
|
| 7 | what would [verb] been | 75 |
|
| 8 | what would [verb] been | 75 |
|
| 9 | what must [verb] been | 56 |
|
| 10 | what must [verb] been | 56 |
|
| 11 | what should [verb] been | 54 |
|
| 12 | what should [verb] been | 54 |
|
| 13 | what could [verb] been | 50 |
|
| 14 | what could [verb] been | 50 |
|
| 15 | what may [verb] been | 18 |
|
| 16 | what may [verb] been | 18 |
|
| 17 | what ought [verb] been | 6 |
|
| 18 | what [modal v] to have been | 6 |
|
| 19 | what [modal v] [to-vb] been | 6 |
|
| 20 | what ought [verb] been | 6 |
|
