| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [adv] an | 129 |
|
| 2 | [num] [adv] an | 78 |
|
| 3 | 1989 [adv] [art] | 46 |
|
| 4 | 1989 [adv] [art] | 46 |
|
| 5 | 1989 [adv] a | 17 |
|
| 6 | 1989 [adv] an | 6 |
|
