| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [verb] be [vb pp] [prep] | 1250 |
|
| 2 | [verb] be [vb pp] back [prep] | 188 |
|
| 3 | who [verb] [vb pp] back [prep] | 31 |
|
| 4 | who be [vb pp] back [prep] | 14 |
|
| 5 | who [verb] be [vb pp] back | 5 |
|
