| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] been used for | 82 |
|
| 2 | [noun] [vb mod] [verb] been used | 70 |
|
| 3 | [noun] [vb mod] [verb] been for | 22 |
|
| 4 | [vb mod] [verb] been used for | 15 |
|
