| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [to-vb] [conj] [verb] | 612 |
|
| 2 | [vb mod] [vb infin] [to-vb] [conj] [verb] | 612 |
|
| 3 | should [vb infin] [verb] [conj] [verb] | 61 |
|
| 4 | should [verb] [to-vb] [conj] [verb] | 27 |
|
| 5 | should [vb infin] [to-vb] [conj] [verb] | 27 |
|
