| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have [adv] been back to | 9 |
|
| 2 | [pron] have [adv] been back to | 9 |
|
| 3 | have [adv] been [verb] back to | 10 |
|
| 4 | have [adv] been [vb pp] back to | 9 |
|
| 5 | have [adv] been back to [noun] | 8 |
|
| 6 | have [adv] been back to [noun prp] | 7 |
|
