| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] did i do | 23 |
|
| 2 | [Wh adv] [vb past] i do | 22 |
|
| 3 | why [vb past] i do | 14 |
|
| 4 | how [vb past] i do | 7 |
|
