| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [prep] [noun] [vb past] [pron] do | 7 |
|
| 2 | what on [noun] [vb past] [pron] do | 7 |
|
| 3 | what [prep] [noun] [vb past] [pron] do | 7 |
|
| 4 | what on [noun] [vb past] [pron] do | 7 |
|
