| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] at least the time of | 7 |
|
| 2 | [subord] at least [art] time of | 7 |
|
| 3 | since at least [art] time of | 6 |
|
| 4 | since at least [art] time of | 6 |
|
