| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [verb] back to the [num ord] | 38 |
|
| 2 | [noun] date back to the [num ord] | 38 |
|
| 3 | [noun] [vb -s] back to the [num ord] | 28 |
|
| 4 | [noun] [v-ing] back to the [num ord] | 27 |
|
| 5 | [noun pl] [verb] back to the [num ord] | 22 |
|
| 6 | [noun] go back to the [num ord] | 22 |
|
| 7 | [noun] dating back to the [num ord] | 19 |
|
| 8 | [noun] dates back to the [num ord] | 14 |
|
| 9 | [noun] goes back to the [num ord] | 11 |
|
| 10 | [noun] [vb base] back to the [num ord] | 8 |
|
| 11 | [noun prp] [verb] back to the [num ord] | 7 |
|
| 12 | [noun] [verb] back to the first | 7 |
|
| 13 | [noun] [verb] back to the last | 5 |
|
| 14 | [noun] going back to the [num ord] | 5 |
|
