| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] [be] [art] | 81 |
|
| 2 | should be [verb] [be] [art] | 14 |
|
| 3 | should [be] [vb pp] [be] [art] | 12 |
|
| 4 | should be [vb pp] [be] [art] | 12 |
|
| 5 | should [be] [vb pp] [be] [art] | 12 |
|
