| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [det] [noun] [prep] | 361 |
|
| 2 | used [verb] [det] [noun] [prep] | 59 |
|
| 3 | been used [verb] [noun] [prep] | 35 |
|
| 4 | been used [verb] [det] [noun] | 16 |
|
