| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] date [adv prt] to the [num ord] | 15 |
|
| 2 | [noun pl] date [adv prt] to the [num ord] | 15 |
|
| 3 | [noun pl] date back to the [num ord] | 15 |
|
| 4 | [noun pl] dating [adv prt] to the [num ord] | 10 |
|
