| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been used [prep] [noun] [noun] [prep] | 18 |
|
| 2 | been used [prep] [noun sg] [noun] [prep] | 13 |
|
| 3 | been used [prep] [noun] [noun pl] [prep] | 9 |
|
| 4 | been used in [noun] [noun] [prep] | 7 |
|
| 5 | been used in [noun] [noun] [prep] | 7 |
|
| 6 | been used [prep] [noun] [noun] for | 5 |
|
| 7 | been used [prep] [noun] [noun sg] [prep] | 5 |
|
| 8 | been used [prep] [noun prp] [noun] [prep] | 5 |
|
