| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [verb] at the time | 10 |
|
| 2 | [vb base] [verb] at the time | 10 |
|
| 3 | [vb base] [verb] at the time | 10 |
|
| 4 | [vb base] [v-ing] at the time | 6 |
|
| 5 | remember [verb] at the time | 5 |
|
