| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [verb] at [det] time | 20 |
|
| 2 | i [verb] at that time | 16 |
|
| 3 | i [vb past] at [det] time | 11 |
|
| 4 | i [vb base] at [det] time | 9 |
|
