| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [vb pp] [adv] to | 565 |
|
| 2 | [verb] [vb pp] back to | 310 |
|
| 3 | [vb -s] [vb pp] back [prep] | 159 |
|
| 4 | [vb -s] [verb] back to | 141 |
|
