| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at about the [adj] time | 27 |
|
| 2 | [verb] at about the [det] time | 27 |
|
| 3 | [verb] at about the same time | 27 |
|
| 4 | [verb] at about the same time | 27 |
|
