| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [noun] as [adv] [subord] | 15 |
|
| 2 | back [prep] [noun] as [adv] [conj] | 15 |
|
| 3 | back [prep] [noun] as [adv] as | 15 |
|
| 4 | back [prep] [noun] as [adv] as | 15 |
|
| 5 | back [prep] [noun] as soon [conj] | 9 |
|
| 6 | back [prep] [noun] as soon [conj] | 9 |
|
| 7 | back [prep] [noun sg] as [adv] [conj] | 9 |
|
| 8 | back to [noun] as [adv] [conj] | 7 |
|
| 9 | back [prep] [noun prp] as [adv] [conj] | 5 |
|
