| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] back [prep] the [num ord] | 89 |
|
| 2 | [noun] date back [prep] the [num ord] | 38 |
|
| 3 | [noun] [vb -s] back [prep] the [num ord] | 30 |
|
| 4 | [noun] dates back [prep] the [adj] | 24 |
|
| 5 | [noun] dates [adv] [prep] the [num ord] | 20 |
|
| 6 | [noun] dates back [prep] [art] [num ord] | 14 |
|
| 7 | [noun] dates back [prep] [art] [num ord] | 14 |
|
| 8 | [noun] dates back [prep] the [num ord] | 14 |
|
| 9 | [noun] dates back [prep] the [num ord] | 14 |
|
