| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] [to-vb] [art] [noun] | 263 |
|
| 2 | [modal v] [vb infin] [to-vb] [art] [noun prp] | 96 |
|
| 3 | should [vb infin] [verb] [art] [noun prp] | 15 |
|
| 4 | should [verb] [to-vb] [art] [noun prp] | 5 |
|
