| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] should be [vb pp] | 933 |
|
| 2 | should be [vb pp] [adj] | 426 |
|
| 3 | [adj] be [vb pp] [adj] | 424 |
|
| 4 | [adj] should be [adj] | 170 |
|
