| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been used [prep] [noun] | 308 |
|
| 2 | used [prep] many [noun] | 92 |
|
| 3 | been [prep] many [noun] | 39 |
|
| 4 | been used [prep] many | 24 |
|
