| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have not [vb pp] [adv] to | 130 |
|
| 2 | have [adv] [vb pp] back to | 54 |
|
| 3 | have not [vb pp] back [prep] | 28 |
|
| 4 | [verb] not [vb pp] back to | 9 |
|
| 5 | have not [verb] back to | 9 |
|
