| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should not [adv] [be] [vb pp] | 69 |
|
| 2 | [modal v] not therefore [be] [vb pp] | 38 |
|
| 3 | should not therefore [be] [vb pp] | 7 |
|
| 4 | should not therefore [be] [verb] | 7 |
|
| 5 | should [adv] therefore [be] [vb pp] | 7 |
|
