| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] should [be] a [noun sg] | 135 |
|
| 2 | [noun] should [be] [vb pp] [noun sg] | 90 |
|
| 3 | [noun] should [be] [vb pp] a | 67 |
|
| 4 | should [be] [vb pp] a [noun sg] | 64 |
|
| 5 | [noun] [be] [vb pp] a [noun sg] | 15 |
|
