| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] should [be] [vb pp] [adj] | 10 |
|
| 2 | a [noun] should be [vb pp] [adj] | 10 |
|
| 3 | a [noun] should [be] [vb pp] [adj] | 6 |
|
