| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at an [adj] | 280 |
|
| 2 | at an [adj] date | 64 |
|
| 3 | [vb pp] at [adj] date | 14 |
|
| 4 | [vb pp] an [adj] date | 5 |
|
