| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [det] time [that] | 70 |
|
| 2 | [vb past] at the [det] time | 65 |
|
| 3 | [vb past] at the time [that] | 35 |
|
| 4 | [vb past] at [det] time [that] | 9 |
|
