| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] used for [noun sg] | 113 |
|
| 2 | was used for [noun] | 94 |
|
| 3 | were used for [noun] | 59 |
|
| 4 | [was/were] used for [noun pl] | 36 |
|
| 5 | [was/were] used for comparison | 5 |
|
