| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [conj] [vb mod] | 345 |
|
| 2 | [to-vb] [conj] [modal v] | 345 |
|
| 3 | [verb] [conj] should | 218 |
|
| 4 | [to-vb] [conj] should | 28 |
|
