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