| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] dates back to the [adj] | 14 |
|
| 2 | which dates back [prep] the [adj] | 11 |
|
| 3 | [Wh det] dates back [prep] the [adj] | 11 |
|
| 4 | which dates back [prep] the [adj] | 11 |
|
| 5 | [pron] dates back [prep] the [num ord] | 10 |
|
