| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [modal v] | 2049 |
|
| 2 | what [modal v] [adv] | 475 |
|
| 3 | [prep] what [adv] | 398 |
|
| 4 | [prep] [modal v] [adv] | 48 |
|
