| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] at the | 3731 |
|
| 2 | [pron] at the time | 408 |
|
| 3 | [vb past] at the time | 331 |
|
| 4 | [pron] [vb past] the time | 145 |
|
