| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [modal v] be [vb pp] [adj] | 124 |
|
| 2 | [adj] should be [vb pp] [adj] | 20 |
|
| 3 | [adj] should be [verb] [adj] | 13 |
|
| 4 | [adj] should [be] [vb pp] [adj] | 12 |
|
