| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been used [prep] some [noun sg] | 9 |
|
| 2 | been used [prep] some [noun pl] | 8 |
|
| 3 | been used in some [noun] | 6 |
|
| 4 | been used [prep] some time | 5 |
|
| 5 | been used [prep] some time | 5 |
|
