| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [verb] | 5638 |
|
| 2 | what [vb mod] [verb] | 2512 |
|
| 3 | [prep] what [vb mod] | 2049 |
|
| 4 | [prep] [vb mod] [verb] | 270 |
|
