| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [be] [prep] | 1402 |
|
| 2 | [modal v] [be] as | 70 |
|
| 3 | [vb mod] [be] as | 70 |
|
| 4 | should [be] as | 7 |
|
