| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [not/n't] be [vb pp] | 2510 |
|
| 2 | should therefore be [vb pp] | 122 |
|
| 3 | [not/n't] therefore be [vb pp] | 38 |
|
| 4 | should [not/n't] therefore be | 7 |
|
