| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [adv] [subord] | 1263 |
|
| 2 | be [vb pp] [adv] [to-vb] | 468 |
|
| 3 | [vb pp] [adv] [subord] [to-vb] | 279 |
|
| 4 | be [vb pp] [subord] [to-vb] | 17 |
|
