| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [verb] back to the [adj] | 19 |
|
| 2 | [noun prp] [vb past] back to the [adj] | 12 |
|
| 3 | [noun prp] [vb -s] back to the [adj] | 10 |
|
| 4 | [noun prp] date back to the [adj] | 8 |
|
| 5 | [noun prp] [verb] back to the [num ord] | 7 |
|
| 6 | [noun prp] dates back to the [adj] | 6 |
|
| 7 | [noun prp] go back to the [adj] | 5 |
|
| 8 | [noun prp] turn back to the [adj] | 5 |
|
| 9 | [noun prp] turned back to the [adj] | 5 |
|
