| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back in [adj] [noun] | 279 |
|
| 2 | back in [adj] [noun sg] | 159 |
|
| 3 | [adv] in [adj] time | 65 |
|
| 4 | back [prep] [adj] time | 30 |
|
| 5 | back in [adj] time | 12 |
|
