| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] at the | 609 |
|
| 2 | [pron] at the time | 408 |
|
| 3 | [vb past] at the time | 331 |
|
| 4 | [vb past] [pron] the time | 14 |
|
