| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] at the time [prep] | 78 |
|
| 2 | [coord] at the time of | 78 |
|
| 3 | [coord] at the time [prep] | 78 |
|
| 4 | [coord] at the time of | 78 |
|
| 5 | and at the time [prep] | 40 |
|
| 6 | but at the time [prep] | 21 |
|
| 7 | or at the time [prep] | 15 |
|
