| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] and should be [vb pp] | 57 |
|
| 2 | [vb mod] and should [be] [vb pp] | 57 |
|
| 3 | can and should [be] [vb pp] | 37 |
|
| 4 | could and should [be] [vb pp] | 18 |
|
| 5 | [vb mod] and should [be] made | 10 |
|
| 6 | [vb mod] and should [be] done | 5 |
|
