| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been used [prep] [art] [noun] | 38 |
|
| 2 | [vb base] been used [prep] [art] [noun sg] | 34 |
|
| 3 | [vb base] been used [prep] the [noun] | 33 |
|
| 4 | [vb base] been used in [art] [noun] | 19 |
|
| 5 | [vb base] been used as [art] [noun] | 7 |
|
| 6 | [vb base] been used [prep] a [noun] | 5 |
|
