| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] would [adv] have [verb] | 71 |
|
| 2 | [pron] would previously have [verb] | 10 |
|
| 3 | [Wh pn] [modal v] previously have [verb] | 9 |
|
| 4 | [Wh pn] would previously [verb] [verb] | 6 |
|
