| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [adv] [vb pp] to | 653 |
|
| 2 | [adv] [vb pp] back to | 176 |
|
| 3 | has [vb pp] back to | 48 |
|
| 4 | has [adv] [vb pp] back | 43 |
|
