| No | Pattern | Freq | Relations |
|---|---|---|---|
| 31 | [prep] 1973 when [art] [noun sg] | 5 |
|
| 32 | [prep] 1987 when [art] [noun sg] | 5 |
|
| 33 | [prep] 1969 when [art] [noun sg] | 5 |
|
| 34 | [prep] 1987 when [art] [noun sg] | 5 |
|
