| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [modal v] have | 611 |
|
| 2 | what [vb mod] have | 611 |
|
| 3 | what would have | 182 |
|
| 4 | what would have | 182 |
|
| 5 | what might have | 170 |
|
| 6 | what might have | 170 |
|
| 7 | what could have | 78 |
|
| 8 | what could have | 78 |
|
| 9 | what must have | 75 |
|
| 10 | what must have | 75 |
|
| 11 | what should have | 62 |
|
| 12 | what should have | 62 |
|
| 13 | what may have | 26 |
|
| 14 | what may have | 26 |
|
| 15 | what will have | 9 |
|
| 16 | what will have | 9 |
|
| 17 | what can have | 8 |
|
| 18 | what can have | 8 |
|
