| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] did [pers pn] [vb infin] at [adj] | 8 |
|
| 2 | [Wh adv] [vb past] [pers pn] [vb infin] at [adj] | 8 |
|
| 3 | [Wh adv] [vb past] [pers pn] [vb infin] at [det] | 8 |
|
| 4 | why [vb past] [pers pn] [vb infin] at [adj] | 5 |
|
