| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back in [num] [noun pl] | 62 |
|
| 2 | back in [adj] [noun pl] | 31 |
|
| 3 | back in [adj] minutes | 20 |
|
| 4 | back in [adj] days | 12 |
|
| 5 | back in five [noun pl] | 11 |
|
| 6 | back in five [noun pl] | 11 |
|
| 7 | back in [adj] weeks | 11 |
|
| 8 | back in two [noun pl] | 10 |
|
| 9 | back in two [noun pl] | 10 |
|
| 10 | back in [det] [noun pl] | 10 |
|
| 11 | back in three [noun pl] | 10 |
|
| 12 | back in three [noun pl] | 10 |
|
| 13 | back in [adj] months | 9 |
|
| 14 | back in [adj] years | 7 |
|
| 15 | back in six [noun pl] | 7 |
|
| 16 | back in six [noun pl] | 7 |
|
| 17 | back in [adj] times | 6 |
|
| 18 | back in those [noun pl] | 5 |
|
| 19 | back in those [noun pl] | 5 |
|
