| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [vb mod] [pron] [vb infin] | 3645 |
|
| 2 | [adv] [vb mod] i [vb infin] | 1641 |
|
| 3 | [Wh adv] [vb mod] i [vb infin] | 1241 |
|
| 4 | how [vb mod] i [verb] | 763 |
|
| 5 | how [modal v] i [vb infin] | 759 |
|
| 6 | how [vb mod] i [vb infin] | 759 |
|
