| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] should be [vb pp] [adj] | 12 |
|
| 2 | of [noun] should be [vb pp] [adj] | 7 |
|
| 3 | [prep] [noun sg] should be [vb pp] [adj] | 7 |
|
