| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] at the time | 109 |
|
| 2 | [adv] [vb past] at the time | 14 |
|
| 3 | widely [verb] at the time | 10 |
|
| 4 | actually [verb] at the time | 8 |
|
| 5 | well [verb] at the time | 8 |
|
| 6 | [adv] [v-ing] at the time | 7 |
|
| 7 | still [verb] at the time | 7 |
|
| 8 | fully [verb] at the time | 7 |
|
| 9 | [adv] investigated at the time | 6 |
|
| 10 | [adv] investigate at the time | 6 |
|
| 11 | [adv] [vb infin] at the time | 6 |
|
| 12 | [adv] note at the time | 5 |
|
| 13 | often [verb] at the time | 5 |
|
| 14 | properly [verb] at the time | 5 |
|
| 15 | already [verb] at the time | 5 |
|
| 16 | [adv] know at the time | 5 |
|
