| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [adv] to [noun sg] | 54 |
|
| 2 | back [adv prt] to [noun sg] | 47 |
|
| 3 | back down to [noun sg] | 32 |
|
| 4 | back down to [noun sg] | 32 |
|
| 5 | back [adv] to earth | 21 |
|
| 6 | back on to [noun sg] | 9 |
|
| 7 | back on to [noun sg] | 9 |
|
| 8 | back [adv] to [noun sg] | 7 |
|
