| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] seen to [be] | 691 |
|
| 2 | [modal v] [be] seen to | 169 |
|
| 3 | [modal v] [be] to [be] | 24 |
|
| 4 | [modal v] [be] seen [be] | 8 |
|
