| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used [prep] a [adj] [noun] | 752 |
|
| 2 | been [prep] a [adj] [noun] | 346 |
|
| 3 | been used [prep] [adj] [noun] | 200 |
|
| 4 | been used [prep] a [noun] | 139 |
|
| 5 | been used [prep] a [adj] | 48 |
|
