| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at that time | 334 |
|
| 2 | [verb] [pron] at that | 210 |
|
| 3 | [pron] at that time | 117 |
|
| 4 | [verb] [pron] at time | 20 |
|
| 5 | [verb] [pron] that time | 19 |
|
