| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [adv] [subord] | 292 |
|
| 2 | [vb pp] [adv] [subord] [to-vb] | 279 |
|
| 3 | been [vb pp] [adv] [to-vb] | 218 |
|
