| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for [adj] use | 15 |
|
| 2 | have been [vb pp] for [adj] use | 15 |
|
| 3 | have been [verb] for [adj] use | 14 |
|
| 4 | has been [verb] for [adj] use | 5 |
|
