| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [be] [verb] [prep] [adj] | 1878 |
|
| 2 | [modal v] [be] [verb] at [adj] | 1055 |
|
| 3 | [vb mod] [be] [verb] at [adj] | 1055 |
|
| 4 | should [be] [verb] at [adj] | 129 |
|
