| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the time [det] | 53 |
|
| 2 | at the time this | 23 |
|
| 3 | at the time these | 7 |
|
| 4 | at the time all | 5 |
|
| 5 | at the time that | 5 |
|
