| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] or [vb infin] | 814 |
|
| 2 | [vb mod] increase [conj] [vb infin] | 12 |
|
| 3 | [modal v] increase or [vb infin] | 10 |
|
| 4 | [vb mod] increase or [verb] | 10 |
|
