| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back to | 11786 |
|
| 2 | [v-ing] [adv] to | 9958 |
|
| 3 | [v-ing] [adv prt] to | 6759 |
|
| 4 | [v-ing] back [prep] | 3877 |
|
| 5 | [v-ing] back to | 1857 |
|
