| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] back to the [adj] [noun pl] | 18 |
|
| 2 | goes back to the [adj] [noun pl] | 11 |
|
| 3 | [vb -s] back to the middle [noun pl] | 5 |
|
| 4 | [vb -s] back to the middle [noun pl] | 5 |
|
| 5 | dates back to the [adj] [noun pl] | 5 |
|
| 6 | [vb -s] back to the [adj] ages | 5 |
|
| 7 | [vb -s] back to the early [noun pl] | 5 |
|
