| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [to-vb] at the [adj] | 100 |
|
| 2 | [vb past] at the [adj] time | 80 |
|
| 3 | [to-vb] at the [adj] time | 63 |
|
| 4 | [vb past] [to-vb] at the time | 9 |
|
