| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] earth | 94 |
|
| 2 | back [prep] earth | 94 |
|
| 3 | back to earth | 82 |
|
| 4 | back to earth | 82 |
|
| 5 | back on earth | 9 |
|
| 6 | back on earth | 9 |
|
