| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] at that time | 785 |
|
| 2 | [pron] at that time | 117 |
|
| 3 | [noun] [pron] at that | 27 |
|
| 4 | [noun] [pron] at time | 18 |
|
