| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] at that time | 31 |
|
| 2 | [adv] [vb pp] at that time | 30 |
|
| 3 | [not/n't] [verb] at that time | 17 |
|
| 4 | not [verb] at that time | 17 |
|
| 5 | not [verb] at that time | 12 |
|
| 6 | [adv] [vb infin] at that time | 10 |
|
| 7 | [adv] know at that time | 6 |
|
| 8 | n't [verb] at that time | 5 |
|
| 9 | [adv] [vb past] at that time | 5 |
|
