| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the 1980s [be] that | 9 |
|
| 2 | [art] 1980s be that | 9 |
|
| 3 | [art] 1980s [was/were] that | 7 |
|
| 4 | [art] 1980s was that | 7 |
|
