| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] used [prep] [noun] | 486 |
|
| 2 | [was/were] [prep] many [noun] | 129 |
|
| 3 | used [prep] many [noun] | 92 |
|
| 4 | [was/were] used [prep] many | 7 |
|
