| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [adv] be [vb pp] [prep] | 1798 |
|
| 2 | [modal v] therefore be [vb pp] [prep] | 264 |
|
| 3 | should therefore be [verb] [prep] | 57 |
|
| 4 | should therefore be [vb pp] [prep] | 57 |
|
| 5 | should therefore be [vb pp] [prep] | 57 |
|
| 6 | should therefore [be] [vb pp] [prep] | 57 |
|
| 7 | should therefore [be] [vb pp] [prep] | 57 |
|
