| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [vb base] [pers pn] [verb] [coord] [vb infin] | 6 |
|
| 2 | how [vb base] [pers pn] [verb] and [verb] | 6 |
|
| 3 | how do [pers pn] [verb] [coord] [verb] | 6 |
|
| 4 | how [vb base] [pers pn] [vb infin] [coord] [verb] | 6 |
|
