| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] [modal v] [vb infin] | 188 |
|
| 2 | [modal v] [verb] should [vb infin] | 29 |
|
| 3 | [vb mod] [verb] should [verb] | 29 |
|
