| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the time i [verb] [prep] | 7 |
|
| 2 | at the time i [verb] [prep] | 7 |
|
| 3 | at the time i [verb] [prep] | 7 |
|
| 4 | at the time i [vb past] [prep] | 6 |
|
