| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be seen to [be] [verb] | 50 |
|
| 2 | should be [vb pp] to [be] [verb] | 22 |
|
| 3 | should be [verb] to [be] [verb] | 22 |
|
| 4 | should be seen [prep] [be] [verb] | 11 |
|
| 5 | should [be] seen to [be] [verb] | 11 |
|
| 6 | should be see to [be] [verb] | 11 |
|
| 7 | should be seen to [be] [verb] | 11 |
|
| 8 | should be seen to [be] [verb] | 11 |
|
| 9 | should [be] seen to [be] [verb] | 11 |
|
| 10 | should be seen [prep] [be] [verb] | 11 |
|
