| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | known at the time [conj] | 6 |
|
| 2 | known at [art] time [conj] | 6 |
|
| 3 | known at [art] time [conj] | 6 |
|
| 4 | known at the time [conj] | 6 |
|
