| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at that time | 156 |
|
| 2 | [adv] [adj] at that | 138 |
|
| 3 | [adj] at that time | 106 |
|
| 4 | [adv] [adj] that time | 8 |
|
