| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [was/were] used [prep] [noun] to | 6 |
|
| 2 | [was/were] used [prep] [art] [noun] to | 5 |
|
| 3 | [was/were] used [prep] [art] [noun] to | 5 |
|
