| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pos pn] [noun] should be [vb pp] | 280 |
|
| 2 | [vb past] [noun] should be [vb pp] | 41 |
|
| 3 | [vb past] [pos pn] [noun] should be | 10 |
|
