| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [pron] [was/were] | 708 |
|
| 2 | in 1989 [pron] | 81 |
|
| 3 | 1989 [pron] [was/were] | 68 |
|
| 4 | in 1989 [was/were] | 61 |
|
