| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [modal v] [noun prp] have [verb] | 19 |
|
| 2 | what [modal v] [noun prp] have [vb pp] | 15 |
|
| 3 | what [modal v] [noun prp] have do | 9 |
|
| 4 | what [modal v] [noun prp] have done | 8 |
|
