| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [been] [adv] | 2829 |
|
| 2 | [modal v] have [been] [adv] | 2829 |
|
| 3 | would have [been] [adv] | 1252 |
|
| 4 | would have [been] [adv] | 1252 |
|
| 5 | would have [be] [adv] | 1185 |
|
| 6 | would [verb] [been] [adv] | 1183 |
|
