| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [be] [verb] | 23361 |
|
| 2 | should [be] [vb pp] | 21722 |
|
| 3 | [vb mod] [be] found | 2325 |
|
| 4 | [modal v] [be] found | 2325 |
|
| 5 | should [be] find | 36 |
|
| 6 | should [be] found | 35 |
|
