| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at the time of | 402 |
|
| 2 | at the time of [verb] | 282 |
|
| 3 | [verb] at the time [verb] | 31 |
|
| 4 | [verb] at time of [verb] | 7 |
|
