| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] a [adj] [noun] | 812 |
|
| 2 | [modal v] [vb infin] a [adj] role | 182 |
|
| 3 | should [vb infin] [art] [adj] role | 24 |
|
| 4 | should [vb infin] [art] [adj] role | 24 |
|
| 5 | should [vb infin] a [adj] role | 22 |
|
| 6 | should [verb] a [adj] role | 18 |
|
