| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [not/n't] be [vb pp] | 2510 |
|
| 2 | should only be [vb pp] | 211 |
|
| 3 | [not/n't] only be [vb pp] | 47 |
|
| 4 | should [not/n't] only be | 15 |
|
