| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [prep] be [verb] | 3033 |
|
| 2 | should [be] [vb pp] [prep] [verb] | 339 |
|
| 3 | should [be] [vb pp] [prep] be | 72 |
|
