| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at that time | 334 |
|
| 2 | at that time [prep] | 207 |
|
| 3 | [verb] at that [prep] | 28 |
|
| 4 | [verb] at time [prep] | 18 |
|
| 5 | [verb] that time [prep] | 18 |
|
