| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] established by [art] | 9 |
|
| 2 | it [was/were] established by [art] | 9 |
|
| 3 | it was established by [art] | 9 |
|
| 4 | it [was/were] established by the | 7 |
|
| 5 | it [was/were] established by the | 7 |
|
