| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [adv] [prep] [noun] | 686 |
|
| 2 | used [adv] [prep] [noun] | 344 |
|
| 3 | been used [prep] [noun] | 308 |
|
| 4 | been used [adv] [prep] | 99 |
|
