| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] [vb pp] back [prep] [adv] | 6 |
|
| 2 | [verb] [adv] [vb pp] back [prep] [adv] | 6 |
|
| 3 | have [adv] [vb pp] back [prep] [adv] | 5 |
|
