| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] did you [verb] | 1305 |
|
| 2 | did you used [verb] | 42 |
|
| 3 | [Wh det] you used [verb] | 18 |
|
| 4 | [Wh det] did you used | 7 |
|
