| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] a [noun sg] [prep] | 9426 |
|
| 2 | what [modal v] [vb infin] a [noun sg] | 11 |
|
| 3 | what [modal v] a [noun sg] [prep] | 5 |
|
