| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been used [prep] [num] [noun] | 9 |
|
| 2 | have been used [prep] [num] [noun] | 9 |
|
| 3 | [verb] been used [prep] [num] [noun pl] | 5 |
|
| 4 | [vb -s] been used [prep] [num] [noun] | 5 |
|
| 5 | has been used [prep] [num] [noun] | 5 |
|
