| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back [prep] the early [num ord] | 7 |
|
| 2 | back [prep] the early [num ord] century | 9 |
|
| 3 | back [prep] the early [num ord] [noun sg] | 9 |
|
| 4 | back [prep] the early [num ord] [noun] | 9 |
|
| 5 | back [prep] the early [num ord] century | 9 |
|
