| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what time do you [verb] back | 5 |
|
| 2 | [Wh det] time do you [verb] back | 5 |
|
| 3 | [pron] time do you [verb] back | 5 |
|
| 4 | what time do you [verb] back | 5 |
|
