| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [not/n't] been [vb pp] in | 72 |
|
| 2 | have not be [vb pp] in | 69 |
|
| 3 | have [not/n't] be found in | 6 |
|
| 4 | have [not/n't] be seen in | 6 |
|
| 5 | have [not/n't] be used in | 6 |
|
