| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [vb pp] [adv] to | 433 |
|
| 2 | [verb] [vb pp] back to | 310 |
|
| 3 | have [vb pp] back to | 299 |
|
| 4 | has [vb pp] back [prep] | 104 |
|
| 5 | [vb -s] [vb pp] back to | 75 |
|
| 6 | has [verb] back to | 63 |
|
