| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in 1989 [conj] | 233 |
|
| 2 | in [conj] a | 25 |
|
| 3 | 1989 [conj] a | 15 |
|
| 4 | in 1989 a | 13 |
|
