| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] at that time | 78 |
|
| 2 | [conj] [noun] at that time | 20 |
|
| 3 | [conj] [verb] at that time | 11 |
|
| 4 | [conj] [noun] [verb] at that | 10 |
|
