| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] back [prep] the [adj] [noun] | 138 |
|
| 2 | [verb] back [prep] the [adj] century | 114 |
|
| 3 | [vb -s] [adv] [prep] the [adj] century | 55 |
|
| 4 | [vb -s] back [prep] the [adj] century | 40 |
|
| 5 | [vb -s] back [prep] the [adj] century | 40 |
|
| 6 | [vb -s] back [prep] [art] [adj] century | 40 |
|
| 7 | [vb -s] back [prep] [art] [adj] century | 40 |
|
