| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb mod] have | 623 |
|
| 2 | what [vb mod] have | 611 |
|
| 3 | what would have | 185 |
|
| 4 | what might have | 170 |
|
| 5 | what could have | 79 |
|
| 6 | what must have | 75 |
|
| 7 | what should have | 63 |
|
| 8 | what may have | 26 |
|
| 9 | what will have | 9 |
|
| 10 | what can have | 8 |
|
| 11 | what [vb mod] to have | 7 |
|
| 12 | what ought have | 7 |
|
| 13 | what [vb mod] 've | 5 |
|
