| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] [vb infin] | 360837 |
|
| 2 | [Wh det] [modal v] [vb infin] | 18254 |
|
| 3 | what [modal v] [verb] | 2512 |
|
| 4 | what [modal v] [vb infin] | 2465 |
|
