| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] back to a | 57 |
|
| 2 | [v-ing] back to a | 41 |
|
| 3 | going back to a | 25 |
|
| 4 | [v-ing] back to an | 16 |
|
| 5 | coming back to a | 6 |
|
