| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] [vb infin] [conj] | 17603 |
|
| 2 | [Wh det] [modal v] [vb infin] [conj] | 802 |
|
| 3 | what [modal v] [verb] [conj] | 353 |
|
| 4 | what [modal v] [vb infin] [conj] | 350 |
|
