| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [modal v] [verb] | 2512 |
|
| 2 | [to-vb] what [verb] | 1042 |
|
| 3 | [to-vb] [modal v] [verb] | 383 |
|
| 4 | [to-vb] what [modal v] | 362 |
|
