| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] at [art] time of | 40 |
|
| 2 | [subord] at [art] time of | 40 |
|
| 3 | [subord] at the time of | 38 |
|
| 4 | [subord] at the time of | 38 |
|
| 5 | if at [art] time of | 14 |
|
| 6 | than at [art] time of | 5 |
|
