| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] [vb pp] [art] | 583 |
|
| 2 | [vb mod] [vb infin] [vb pp] no | 145 |
|
| 3 | [modal v] [vb infin] [vb pp] no | 145 |
|
| 4 | should [vb infin] [verb] no | 7 |
|
| 5 | should [vb infin] [vb pp] no | 6 |
|
| 6 | should [verb] [vb pp] no | 6 |
|
