| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've [adv] [vb pp] to | 238 |
|
| 2 | [adv] [vb pp] back to | 192 |
|
| 3 | 've [adv] [vb pp] back | 37 |
|
| 4 | 've [vb pp] back to | 17 |
|
