| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at the [adj] time | 380 |
|
| 2 | [vb pp] [to-vb] at the [adj] | 70 |
|
| 3 | [to-vb] at the [adj] time | 63 |
|
| 4 | [vb pp] [to-vb] at [adj] time | 7 |
|
