| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [vb pp] [adj] | 621 |
|
| 2 | should be [vb pp] [adj] | 426 |
|
| 3 | [modal v] be [vb pp] free | 77 |
|
| 4 | [vb mod] be [vb pp] free | 77 |
|
| 5 | should be [verb] free | 11 |
|
| 6 | should [be] [vb pp] free | 10 |
|
| 7 | should [be] [vb pp] free | 10 |
|
| 8 | should be [vb pp] free | 10 |
|
| 9 | should be [vb pp] free | 10 |
|
| 10 | should be [vb pp] free | 10 |
|
