| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [verb] i [adv] [vb infin] | 8 |
|
| 2 | how do i [adv] [vb infin] | 8 |
|
| 3 | how [vb past] i [adv] [vb infin] | 5 |
|
| 4 | how did i [adv] [vb infin] | 5 |
|
