| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which was used [prep] [noun] | 12 |
|
| 2 | which [was/were] used [prep] [noun sg] | 9 |
|
| 3 | which were used [prep] [noun] | 8 |
|
| 4 | which [was/were] used [prep] [noun pl] | 6 |
|
| 5 | which [was/were] used by [noun] | 6 |
|
| 6 | which [was/were] used [prep] [noun prp] | 5 |
|
| 7 | which [was/were] used for [noun] | 5 |
|
| 8 | which [was/were] used in [noun] | 5 |
|
