| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [be] [verb] to [adv] [verb] | 55 |
|
| 2 | [modal v] [be] [verb] to [adv] [vb infin] | 43 |
|
| 3 | [vb mod] [be] [verb] [prep] [adv] [vb infin] | 43 |
|
