| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] at the [det] time | 419 |
|
| 2 | [vb pp] at the [det] time | 318 |
|
| 3 | [subord] [vb pp] at the time | 13 |
|
| 4 | [subord] [vb pp] at the [det] | 8 |
|
