| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 1989 when [art] [noun] | 21 |
|
| 2 | 1989 when [art] [noun] | 21 |
|
| 3 | 1989 when [art] [noun] | 21 |
|
| 4 | 1989 when the [noun] | 17 |
|
| 5 | 1989 when [art] [noun sg] | 17 |
|
| 6 | 1989 when the [noun] | 17 |
|
