| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] [art] [num ord] year | 163 |
|
| 2 | at [adv] [prep] [art] [num ord] | 83 |
|
| 3 | at [adv] [art] [num ord] year | 7 |
|
| 4 | at [adv] [prep] [art] year | 5 |
|
