| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [not/n't] [be] | 4205 |
|
| 2 | should [not/n't] be | 4205 |
|
| 3 | should not [be] | 3362 |
|
| 4 | should n't [be] | 840 |
|
