| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] to the 19th | 8 |
|
| 2 | [adv prt] to the 19th | 7 |
|
| 3 | back to the 19th | 6 |
|
| 4 | back to the 19th | 6 |
|
| 5 | to the 19th [noun] | 16 |
|
| 6 | to the 19th [noun sg] | 14 |
|
| 7 | to the 19th century | 14 |
|
| 8 | to the 19th century | 12 |
|
