| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't have been [verb] | 110 |
|
| 2 | n't have [been] [vb pp] | 70 |
|
| 3 | n't have [been] [v-ing] | 38 |
|
| 4 | n't have [been] expect | 7 |
|
| 5 | n't have [been] do | 5 |
|
| 6 | n't have [been] expected | 5 |
|
