| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [adv] [verb] when | 20 |
|
| 2 | have [be] [adv] [vb pp] when | 20 |
|
| 3 | have be [adv] [verb] when | 20 |
|
| 4 | have been [adv] [verb] when | 20 |
|
| 5 | had [be] [adv] [verb] when | 12 |
|
