| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [verb] for use | 26 |
|
| 2 | have been [verb] for use | 26 |
|
| 3 | [verb] been [vb pp] for use | 26 |
|
| 4 | has been [verb] for use | 14 |
|
| 5 | [vb -s] been [verb] for use | 14 |
|
| 6 | had been [verb] for use | 6 |
|
| 7 | [vb past] been [verb] for use | 6 |
|
| 8 | [verb] been developed for use | 5 |
|
| 9 | have been [verb] for use | 5 |
|
| 10 | [verb] been develop for use | 5 |
|
| 11 | [vb base] been [verb] for use | 5 |
|
