| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be seen to be [verb] | 50 |
|
| 2 | [modal v] be seen to be [verb] | 50 |
|
| 3 | could be [verb] to be [verb] | 41 |
|
| 4 | could be [vb pp] to be [verb] | 40 |
|
| 5 | could be seen [prep] be [verb] | 5 |
|
| 6 | could be seen to [be] [verb] | 5 |
|
| 7 | could be seen to be [verb] | 5 |
|
| 8 | could be seen to [be] [verb] | 5 |
|
| 9 | could be see to be [verb] | 5 |
|
| 10 | could be seen [prep] be [verb] | 5 |
|
| 11 | could be seen to be [verb] | 5 |
|
| 12 | could [be] seen to be [verb] | 5 |
|
| 13 | could [be] seen to be [verb] | 5 |
|
| 14 | could be seen to be [verb] | 5 |
|
| 15 | could be seen to be [verb] | 5 |
|
