| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [noun] 1989 it | 12 |
|
| 2 | in [noun prp] 1989 it | 12 |
|
| 3 | in 1989 it [was/were] | 8 |
|
| 4 | in 1989 it be | 8 |
|
| 5 | in 1989 it was | 8 |
|
| 6 | in 1989 it [be] | 8 |
|
| 7 | in 1989 it [verb] | 6 |
|
| 8 | in 1989 it [vb past] | 6 |
|
