| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [adj] time an | 25 |
|
| 2 | at [art] [det] time an | 23 |
|
| 3 | at [art] same time an | 23 |
|
| 4 | at [art] same time an | 23 |
|
