| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] back to the [adj] | 139 |
|
| 2 | dates back to the [adj] | 49 |
|
| 3 | [noun sg] dates back to [adj] | 21 |
|
| 4 | [noun sg] dates back to the | 19 |
|
