| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have [vb pp] back [prep] [noun prp] | 12 |
|
| 2 | who have [vb pp] back [prep] [noun prp] | 12 |
|
| 3 | who have [vb pp] back [prep] [noun prp] | 12 |
|
| 4 | who have [vb pp] back to [noun prp] | 9 |
|
| 5 | who have [vb pp] back to [noun prp] | 9 |
|
| 6 | who have come back [prep] [noun prp] | 6 |
|
| 7 | who had [vb pp] back [prep] [noun prp] | 5 |
|
