| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [noun prp] do | 218 |
|
| 2 | what [modal v] [noun prp] | 132 |
|
| 3 | [modal v] [noun prp] do | 29 |
|
| 4 | what [modal v] do | 14 |
|
