| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] not have been [verb] [prep] | 222 |
|
| 2 | [vb mod] [adv] have been [v-ing] [prep] | 44 |
|
| 3 | [vb mod] not have been [v-ing] [prep] | 19 |
|
| 4 | [vb mod] [not/n't] have been [v-ing] [prep] | 19 |
|
| 5 | [vb mod] not have [been] [v-ing] [prep] | 10 |
|
| 6 | [vb mod] not [verb] been [v-ing] [prep] | 10 |
|
| 7 | [vb mod] not have [be] [v-ing] [prep] | 10 |
|
| 8 | [vb mod] not have be [v-ing] [prep] | 10 |
|
| 9 | [modal v] not have been [v-ing] [prep] | 10 |
|
