| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] been used [prep] [noun] | 114 |
|
| 2 | [noun] have been used [prep] [noun] | 114 |
|
| 3 | [noun] have been used [prep] [noun] | 51 |
|
| 4 | [noun] [vb base] been used [prep] [noun] | 51 |
|
| 5 | [noun] [vb -s] been used [prep] [noun] | 38 |
|
| 6 | [noun] has been used [prep] [noun] | 38 |
|
| 7 | [noun] had been used [prep] [noun] | 22 |
|
| 8 | [noun] [vb past] been used [prep] [noun] | 22 |
|
