| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] [pron] at that time | 5 |
|
| 2 | [noun sg] [prep] [pron] at that time | 5 |
|
| 3 | [noun sg] [pron] [verb] at that time | 10 |
|
| 4 | [noun sg] [pron] [vb past] at that time | 9 |
|
