| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [art] [noun sg] | 4437 |
|
| 2 | 1986 [art] [noun sg] | 96 |
|
| 3 | 1986 when [art] | 18 |
|
| 4 | 1986 when [noun sg] | 5 |
|
