| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [not/n't] [been] [vb pp] off [prep] | 8 |
|
| 2 | have [not/n't] been [vb pp] off [prep] | 8 |
|
| 3 | have [not/n't] be [vb pp] off [prep] | 8 |
|
