| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [det] do i [vb infin] | 35 |
|
| 2 | [det] do i [vb infin] [to-vb] | 12 |
|
| 3 | how do i [vb infin] [to-vb] | 5 |
|
