| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to have been used [prep] [noun] | 8 |
|
| 2 | [vb pp] to have been used [prep] [noun] | 5 |
|
| 3 | to have been used [prep] [art] [noun] | 12 |
|
| 4 | to have been used [prep] [art] [noun] | 12 |
|
| 5 | to have been used [prep] the [noun] | 9 |
|
| 6 | to have been used [prep] the [noun] | 9 |
|
