| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [noun] do i [vb infin] [verb] | 9 |
|
| 2 | what [noun] do i [vb infin] [to-vb] | 8 |
|
| 3 | what [noun sg] do i [vb infin] [verb] | 5 |
|
| 4 | what [noun] do i need [verb] | 5 |
|
