| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [det] time | 6916 |
|
| 2 | [was/were] at [det] time | 195 |
|
| 3 | [was/were] at the time | 102 |
|
| 4 | [was/were] at the [det] | 59 |
|
