| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] [to-vb] [verb] | 1014 |
|
| 2 | [vb mod] [verb] [verb] [vb infin] | 104 |
|
| 3 | [modal v] [verb] [to-vb] [vb infin] | 65 |
|
