| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been [verb] [prep] | 3126 |
|
| 2 | [vb mod] [not/n't] have [verb] [prep] | 746 |
|
| 3 | [vb mod] [not/n't] have been [verb] | 623 |
|
| 4 | [not/n't] have been [verb] [prep] | 309 |
|
| 5 | [vb mod] [not/n't] have been [prep] | 105 |
|
