| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [modal v] [vb infin] [noun] | 440 |
|
| 2 | [adv] what [modal v] [vb infin] | 100 |
|
| 3 | what [modal v] [vb infin] [noun] | 44 |
|
| 4 | [adv] what [modal v] [noun] | 8 |
|
