| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] [modal v] [vb infin] | 5279 |
|
| 2 | about [pron] [modal v] [vb infin] | 183 |
|
| 3 | about what [pron] [modal v] | 164 |
|
| 4 | about what [modal v] [vb infin] | 106 |
|
