| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should not [vb infin] [prep] [be] | 24 |
|
| 2 | should not [verb] [prep] [be] | 24 |
|
| 3 | should not have [prep] [be] | 6 |
|
| 4 | should not have [prep] [be] | 6 |
|
