| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been used [prep] [noun] | 70 |
|
| 2 | [vb base] been [adv] [prep] [noun] | 55 |
|
| 3 | been used [adv] [prep] [noun] | 31 |
|
| 4 | [vb base] been used [adv] [prep] | 22 |
|
