| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] [coord] [vb infin] [prep] [adj] | 12 |
|
| 2 | should [verb] and [vb infin] [prep] [adj] | 10 |
|
| 3 | should [verb] [coord] [vb infin] [prep] [adj] | 7 |
|
