| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at what [noun] did [pron] | 10 |
|
| 2 | at what [noun] did [pers pn] | 9 |
|
| 3 | at what [noun] did you | 5 |
|
| 4 | at what [noun] did you | 5 |
|
