| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back in a [adj] [noun] | 69 |
|
| 2 | [adv] in a [adj] days | 23 |
|
| 3 | back in a [adj] [noun pl] | 17 |
|
| 4 | back in [art] [adj] days | 14 |
|
| 5 | back in [art] [adj] days | 14 |
|
| 6 | [adv prt] in a [adj] days | 9 |
|
| 7 | back [prep] a [adj] days | 6 |
|
| 8 | back in a [adj] days | 5 |
|
| 9 | back in a [adj] days | 5 |
|
| 10 | back in a [adj] day | 5 |
|
