| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] you used | 5 |
|
| 2 | [prep] [Wh det] you used | 5 |
|
| 3 | [Wh det] [verb] you used | 9 |
|
| 4 | [Wh det] [vb past] you used | 8 |
|
| 5 | [Wh det] do you used | 7 |
|
| 6 | [Wh det] did you used | 7 |
|
| 7 | [Wh det] you used [verb] | 18 |
|
| 8 | [Wh det] you used [to-vb] | 18 |
|
