| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should not be [vb pp] [verb] [adj] | 19 |
|
| 2 | should not be [vb pp] [to-vb] [adj] | 19 |
|
| 3 | should not be used [verb] [adj] | 6 |
|
| 4 | should not be allowed [verb] [adj] | 5 |
|
