| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [prep] [noun] | 1385 |
|
| 2 | been used [prep] [noun] | 308 |
|
| 3 | [vb past] been used [prep] | 154 |
|
| 4 | [vb past] used [prep] [noun] | 26 |
|
