| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 1988 when [art] [noun sg] | 6 |
|
| 2 | 1988 when [art] [noun sg] | 6 |
|
| 3 | 1988 when the [noun sg] | 5 |
|
| 4 | 1988 when the [noun sg] | 5 |
|
