| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] [verb] at the time | 8 |
|
| 2 | i have [verb] at the time | 7 |
|
| 3 | i [verb] [vb pp] at the time | 6 |
|
| 4 | i [verb] think at the time | 5 |
|
