| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [verb] at the time | 81 |
|
| 2 | i [verb] [vb pp] at the | 60 |
|
| 3 | [verb] [vb pp] at the time | 47 |
|
| 4 | i [verb] [vb pp] the time | 10 |
|
