| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do i know how | 10 |
|
| 2 | [verb] i know how | 10 |
|
| 3 | do i know how | 5 |
|
| 4 | [vb base] i know how | 5 |
|
| 5 | [vb past] i know how | 5 |
|
| 6 | did i know how | 5 |
|
