| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should [not/n't] [be] [vb pp] [subord] | 5 |
|
| 2 | it should [not/n't] be [vb pp] [subord] | 5 |
|
| 3 | it should not [be] [vb pp] [subord] | 5 |
|
