| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [verb] [pers pn] [vb infin] at the | 5 |
|
| 2 | how [verb] [pers pn] [vb infin] at the | 5 |
|
| 3 | how do [pers pn] [vb infin] at the | 5 |
|
