| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [vb pp] from | 843 |
|
| 2 | [vb past] [been] [vb pp] back | 106 |
|
| 3 | [vb past] [vb pp] back from | 63 |
|
| 4 | [been] [vb pp] back from | 27 |
|
