| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [verb] back | 47 |
|
| 2 | to [verb] back | 47 |
|
| 3 | to [v-ing] back | 46 |
|
| 4 | to going back | 17 |
|
| 5 | to go back | 17 |
|
| 6 | to get back | 9 |
|
| 7 | to getting back | 8 |
|
