| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [prep] what [vb past] | 105 |
|
| 2 | [noun] [prep] what [adv] [vb past] | 66 |
|
| 3 | [prep] [noun] [prep] [adv] [vb past] | 37 |
|
| 4 | [prep] [noun] [prep] what [adv] | 20 |
|
