| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the time [Wh adv] | 264 |
|
| 2 | at the time when | 254 |
|
| 3 | at the time when | 254 |
|
| 4 | at the time [adv] | 64 |
|
| 5 | at the time so | 7 |
|
| 6 | at the time so | 7 |
|
| 7 | at the time how | 6 |
|
| 8 | at the time how | 6 |
|
