| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] 1980s when [art] | 7 |
|
| 2 | [prep] [art] 1980s when [art] | 7 |
|
| 3 | [art] early 1980s when [art] | 5 |
|
| 4 | [art] [adj] 1980s when [art] | 5 |
|
| 5 | [art] early 1980s when [art] | 5 |
|
| 6 | [art] [adj] 1980s when [art] | 5 |
|
| 7 | [art] 1980s when [art] [noun] | 5 |
|
