| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back to the [num ord] [noun sg] | 172 |
|
| 2 | back to the [num ord] century | 115 |
|
| 3 | back to the [num ord] century | 114 |
|
| 4 | back to the first [noun] | 32 |
|
| 5 | back to the second [noun] | 12 |
|
| 6 | back to the last [noun] | 10 |
|
| 7 | back to the 13th [noun] | 9 |
|
| 8 | back to the [num ord] division | 7 |
|
| 9 | back to the thirteenth [noun] | 7 |
|
| 10 | back to the [num ord] division | 7 |
|
| 11 | back to the [num ord] world | 7 |
|
| 12 | back to the sixteenth [noun] | 7 |
|
| 13 | back to the [num ord] world | 7 |
|
| 14 | back to the eighteenth [noun] | 6 |
|
| 15 | back to the nineteenth [noun] | 6 |
|
| 16 | back to the 19th [noun] | 6 |
|
| 17 | back to the 14th [noun] | 6 |
|
| 18 | back to the 18th [noun] | 6 |
|
| 19 | back to the next [noun] | 5 |
|
| 20 | back to the 15th [noun] | 5 |
|
| 21 | back to the [num ord] [noun pl] | 5 |
|
| 22 | back to the 12th [noun] | 5 |
|
| 23 | back to the twelfth [noun] | 5 |
|
| 24 | back to the seventeenth [noun] | 5 |
|
