| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] by a [noun sg] | 1378 |
|
| 2 | should [be] [vb pp] by a | 117 |
|
| 3 | should [be] [vb pp] by [noun sg] | 96 |
|
| 4 | should [be] [vb pp] a [noun sg] | 64 |
|
