| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] in a [noun sg] | 1018 |
|
| 2 | should [be] [vb pp] in [noun sg] | 413 |
|
| 3 | should [be] [vb pp] in a | 177 |
|
| 4 | should [be] [vb pp] a [noun sg] | 64 |
|
| 5 | should [be] in a [noun sg] | 35 |
|
