| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been used [prep] [adj] [noun] | 33 |
|
| 2 | [vb base] been used [prep] [adj] [noun pl] | 27 |
|
| 3 | [vb base] been used in [adj] [noun] | 15 |
|
| 4 | [vb base] been used [prep] [adj] [noun sg] | 9 |
|
| 5 | [vb base] been used for [adj] [noun] | 6 |
|
