| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at the [adj] time | 80 |
|
| 2 | they [vb past] at the [adj] | 61 |
|
| 3 | they [vb past] at the time | 19 |
|
| 4 | they [vb past] at [adj] time | 8 |
|
