| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [vb pp] to be | 72 |
|
| 2 | should [be] [vb pp] to be | 72 |
|
| 3 | should [be] seen to be | 17 |
|
| 4 | should [be] deemed to be | 9 |
|
| 5 | should [be] considered to be | 6 |
|
| 6 | should [be] held to be | 5 |
|
