| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back to the [adj] [noun] | 1001 |
|
| 2 | [adv] to the [adj] century | 164 |
|
| 3 | back [prep] the [adj] century | 140 |
|
| 4 | back to the [adj] century | 116 |
|
| 5 | back to [art] [adj] century | 116 |
|
| 6 | back to [art] [adj] century | 116 |
|
