| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [adj] when [art] | 293 |
|
| 2 | [prep] 1973 when [art] | 8 |
|
| 3 | in 1973 [Wh adv] [art] | 5 |
|
| 4 | in 1973 when [art] | 5 |
|
| 5 | in 1973 [adv] [art] | 5 |
|
