| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was used for [det] | 22 |
|
| 2 | were used for [det] | 19 |
|
| 3 | [was/were] used for this | 14 |
|
| 4 | [was/were] used for all | 10 |
|
| 5 | [was/were] used for each | 7 |
|
