| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] be at that time | 16 |
|
| 2 | [conj] [pron] [be] at that time | 16 |
|
| 3 | [conj] [pron] [was/were] at that time | 13 |
|
| 4 | [conj] [pron] was at that time | 11 |
|
| 5 | [conj] [pron] [verb] at that time | 10 |
|
| 6 | [conj] [pron] [vb past] at that time | 7 |
|
