| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] in the [num ord] century | 390 |
|
| 2 | back [prep] the [num ord] century | 138 |
|
| 3 | back [prep] the [num ord] century | 138 |
|
| 4 | [adv prt] in the [num ord] century | 49 |
|
| 5 | back in the [num ord] [noun sg] | 43 |
|
| 6 | back in the [num ord] [noun] | 43 |
|
| 7 | back in the [num ord] century | 11 |
|
| 8 | back in [art] [num ord] century | 11 |
|
| 9 | back in the [num ord] century | 11 |
|
| 10 | back in the [adj] century | 11 |
|
| 11 | back in the [num ord] century | 11 |
|
| 12 | back in the [num ord] century | 11 |
|
| 13 | back in [art] [num ord] century | 11 |
|
