| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back [prep] [subord] he [verb] | 5 |
|
| 2 | [verb] back [prep] if he [verb] | 5 |
|
| 3 | [verb] back [prep] [subord] he [vb past] | 5 |
|
