| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] or [vb infin] | 814 |
|
| 2 | [vb mod] [verb] or [vb infin] | 814 |
|
| 3 | should [verb] [conj] [vb infin] | 341 |
|
| 4 | should [verb] or [vb infin] | 44 |
|
| 5 | should [verb] or [verb] | 44 |
|
