| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [vb pp] [prep] | 74295 |
|
| 2 | be [vb pp] back [prep] | 574 |
|
| 3 | [vb mod] be back [prep] | 527 |
|
| 4 | [vb mod] be [vb pp] back | 449 |
|
