| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be seen to [be] [adv] | 18 |
|
| 2 | [vb mod] be seen to be [adv] | 18 |
|
| 3 | [vb mod] be seen to be [adv] | 18 |
|
| 4 | [vb mod] be seen to [be] [adv] | 18 |
|
| 5 | [vb mod] be seen to [be] [adv] | 18 |
|
| 6 | can be seen to [be] [adv] | 7 |
|
| 7 | must be seen to [be] [adv] | 5 |
|
