| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun] back [prep] a | 17 |
|
| 2 | [adj] [noun sg] back [prep] a | 15 |
|
| 3 | [adj] [noun] back to a | 7 |
|
| 4 | [adj] [noun pl] back [prep] a | 6 |
|
| 5 | [adj] [noun] back into a | 6 |
|
