| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] at the time [conj] | 7 |
|
| 2 | have [vb pp] at the time [conj] | 6 |
|
| 3 | [vb past] [vb pp] at the time [conj] | 6 |
|
| 4 | had [vb pp] at the time [conj] | 5 |
|
