| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] [modal v] [verb] | 5648 |
|
| 2 | [pron] [modal v] [verb] at | 2782 |
|
| 3 | what [pron] [verb] at | 234 |
|
| 4 | what [modal v] [verb] at | 16 |
|
