| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [modal v] [vb infin] | 684 |
|
| 2 | [noun pl] [prep] what [modal v] | 271 |
|
| 3 | [noun pl] [prep] [modal v] [vb infin] | 24 |
|
| 4 | [noun pl] what [modal v] [vb infin] | 11 |
|
