| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has never been [adv] [vb pp] | 59 |
|
| 2 | has never been [adv] explained | 6 |
|
| 3 | has never been adequately [verb] | 6 |
|
| 4 | has never been [adv] explain | 6 |
|
| 5 | has never been satisfactorily [verb] | 5 |
|
| 6 | has never been properly [verb] | 5 |
|
| 7 | has never been fully [verb] | 5 |
|
