| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [verb] and [verb] [prep] | 89 |
|
| 2 | should [vb infin] [verb] [conj] [verb] [prep] | 12 |
|
| 3 | should [verb] [verb] and [verb] [prep] | 8 |
|
