| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [vb pp] | 103100 |
|
| 2 | [verb] [vb pp] back | 1338 |
|
| 3 | been [vb pp] back | 303 |
|
| 4 | [verb] been back | 107 |
|
