| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [modal v] [adv] be seen | 55 |
|
| 2 | [modal v] [adv] be seen to | 34 |
|
| 3 | [adj] [modal v] [adv] be to | 8 |
|
| 4 | [adj] [modal v] be seen to | 7 |
|
