| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [adj] time | 7867 |
|
| 2 | about the [adj] time | 277 |
|
| 3 | at about the [adj] | 182 |
|
| 4 | at about [adj] time | 60 |
|
| 5 | at about the time | 39 |
|
