| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be seen to be [verb] | 50 |
|
| 2 | [modal v] be seen to be [verb] | 50 |
|
| 3 | should be [vb pp] to be [verb] | 22 |
|
| 4 | should be [verb] to be [verb] | 22 |
|
| 5 | should be seen to be [verb] | 11 |
|
| 6 | should be seen to [be] [verb] | 11 |
|
| 7 | should be see to be [verb] | 11 |
|
| 8 | should [be] seen to be [verb] | 11 |
|
| 9 | should be seen to [be] [verb] | 11 |
|
| 10 | should be seen to be [verb] | 11 |
|
| 11 | should be seen to be [verb] | 11 |
|
| 12 | should be seen [prep] be [verb] | 11 |
|
| 13 | should [be] seen to be [verb] | 11 |
|
| 14 | should be seen to be [verb] | 11 |
|
| 15 | should be seen [prep] be [verb] | 11 |
|
