| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] at [art] time of | 13 |
|
| 2 | have [verb] at [art] time of | 13 |
|
| 3 | have [verb] at the time of | 8 |
|
| 4 | had [verb] at [art] time of | 8 |
|
| 5 | have [verb] at a time of | 5 |
|
