| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [subord] a [noun sg] | 178 |
|
| 2 | should [be] [vb pp] a [noun sg] | 64 |
|
| 3 | should [be] [vb pp] [subord] a | 29 |
|
| 4 | should [be] [vb pp] [subord] [noun sg] | 22 |
|
