| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pers pn] [modal v] [vb infin] | 5109 |
|
| 2 | to what [pers pn] [modal v] | 164 |
|
| 3 | to [pers pn] [modal v] [vb infin] | 152 |
|
| 4 | to what [modal v] [vb infin] | 82 |
|
