| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at the time of | 402 |
|
| 2 | [conj] at the time of | 150 |
|
| 3 | [conj] [verb] at the time | 54 |
|
| 4 | [conj] [verb] the time of | 17 |
|
