| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] [to-vb] [Wh adv] [art] [adj] | 11 |
|
| 2 | [modal v] [vb infin] [to-vb] [Wh adv] [art] [adj] | 11 |
|
| 3 | [vb infin] [to-vb] [Wh adv] [art] [adj] [noun] | 12 |
|
| 4 | [vb infin] [to-vb] [Wh adv] [art] [adj] [noun sg] | 9 |
|
