| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] did you come back | 8 |
|
| 2 | [adv] did you come back | 8 |
|
| 3 | why did you come back | 8 |
|
| 4 | why did you come back | 8 |
|
| 5 | did you come back [prep] | 5 |
|
| 6 | did you come back [prep] | 5 |
|
