| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] to | 62724 |
|
| 2 | 've [vb pp] to | 1478 |
|
| 3 | 've [be] [vb pp] | 1327 |
|
| 4 | 've [be] to | 236 |
|
