| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to have [been] [verb] at the time | 12 |
|
| 2 | to have been [verb] at the time | 12 |
|
| 3 | to have be [verb] at the time | 12 |
|
| 4 | to have [be] [vb pp] at the time | 11 |
|
| 5 | to have [be] effect at the time | 5 |
|
| 6 | to have [be] effected at the time | 5 |
|
